150 Best Funny Wolf Knock Knock Jokes That Will Howl You With Laughter
Looking for funny wolf knock-knock jokes? Get ready to howl with laughter! Click for the best wolf jokes!
Ready to howl with laughter? Forget your typical “who’s there?” routine because we’re diving headfirst into the hilarious world of funny wolf knock-knock jokes! Get ready for some pun-tastic humor that’s guaranteed to get you howling at the moon.

These aren’t your average jokes; they’re packed with furry fun and wolfish wordplay. Whether you’re a fan of the wild or just need a good giggle, these knock-knock jokes about wolves are sure to entertain.
Prepare to share these rib-tickling jokes with friends and family, and maybe even start a howlingly good time of your own! Let’s get to the laughter!
Best Funny Wolf Knock Knock Jokes That Will Howl You With Laughter
- Knock knock – Who’s there? Howl you doin’? – Howl you doin’ who? Howl you doin’ good, thanks for asking!
- Knock knock – Who’s there? Waffle. – Waffle who? Waffle-lot of trouble if you don’t open the door.
- Knock knock – Who’s there? Alpaca. – Alpaca who? Alpaca the suitcase, you pack the snacks, let’s go!
- Knock knock – Who’s there? Lettuce. – Lettuce who? Lettuce in, it’s freezing out here!
- Knock knock – Who’s there? Dishes. – Dishes who? Dishes how I talk, can you understand?
- Knock knock – Who’s there? Nobel. – Nobel who? Nobel… that’s why I knocked!
- Knock knock – Who’s there? Cargo. – Cargo who? Cargo beep beep! Get out of the way!
- Knock knock – Who’s there? Figs. – Figs who? Figs the doorbell, I’ve been knocking for ages!
- Knock knock – Who’s there? Dwayne. – Dwayne who? Dwayne the tub, I’m drowning!
- Knock knock – Who’s there? Yukon. – Yukon who? Yukon say that again, that was funny!
- Knock knock – Who’s there? Tank. – Tank who? Tank you for opening the door!
- Knock knock – Who’s there? Bea. – Bea who? Bea-cause I want to come inside!
- Knock knock – Who’s there? Honey. – Honey who? Honey, I shrunk the kids… wait, wrong door.
- Knock knock – Who’s there? Olive. – Olive who? Olive you so much, please open the door!
- Knock knock – Who’s there? Cantaloupe. – Cantaloupe who? Cantaloupe run away without telling me goodbye.
Wolf Knock-Knock Jokes: Puns and Wordplay
Looking for a howling good time? “Wolf Knock-Knock Jokes: Puns and Wordplay” delivers exactly that! Prepare for a flurry of furry fun with jokes that cleverly play on wolf-related words and concepts. From “wolf-ish” puns to “paw-some” wordplay, this collection will have you howling with laughter, proving that even the…

- Knock knock – Who’s there? – Wolf-gang – Wolf-gang who? – Wolf-gang is here to share a howl-arious joke, are you ready to laugh?
- Knock knock – Who’s there? – Wolf-fred – Wolf-fred who? – Wolf-fred you open the door, I have a joke that’s going to make you howl with laughter, and maybe a treat?
- Knock knock – Who’s there? – Wolf-ly – Wolf-ly think you’ll laugh at my new joke, it’s a real howl-er, and it’s about a wolf who tried to learn to sing opera.
- Knock knock – Who’s there? – Wolf-it-down. – Wolf-it-down who? – Wolf-it-down, it’s time for a joke, and maybe some snacks after.
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders who? – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-ram – Wolf-ram who? – Wolf-ram into your heart, and I brought a joke, hope you like it.
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter.
- Knock knock – Who’s there? – Wolf-gangs-whimsy. – Wolf-gangs-whimsy always leads to a giggle, and this joke is sure to make you howl with laughter.
- Knock knock – Who’s there? – Wolf-en – Wolf-en you up to hear a joke, it’s going to make you howl with laughter!
- Knock knock – Who’s there? – Wolf-ish. – Wolf-ish you open the door, I have a joke that’s going to make you howl with glee.
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail who? – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter.
- Knock knock – Who’s there? – Wolf-gang’s-walk – Wolf-gang’s-walk to your door was long, but this joke is worth the journey.
- Knock knock – Who’s there? – Wolf-gangs-whistle – Wolf-gangs-whistle-ing a tune, and I have a joke that’s as catchy as a song.
- Knock knock – Who’s there? – Wolf-i-can – Wolf-i-can who? – Wolf-i-can be a real howl to be around, I have a joke that will make you howl with laughter.
- Knock knock – Who’s there? – Wolf-ram-Wolf-ram into your heart with this amazing joke.
See Also – Top 150 Hilarious Mouse Knock Knock Jokes for Endless Laughter
Howling with Laughter: Wolf Knock-Knock Jokes for Kids
Get ready to howl with laughter! “Howling with Laughter” is packed with hilarious wolf knock-knock jokes perfect for kids. These aren’t your average puns; these are silly, wolf-themed jokes guaranteed to get giggles and groans. It’s a fantastic way to share a playful moment and unleash some wild, word-based fun!

- Knock knock – Who’s there? – Wolf-gang’s-wig – Wolf-gang’s-wig is so fluffy, it makes me want to howl with laughter.
- Knock knock – Who’s there? – Wolf-it-down-Will – Wolf-it-down-Will you please share your snacks, I’m starving, and I have a joke to share.
- Knock knock – Who’s there? – Wolf-ster – Wolf-ster you gonna let me in, I’ve got a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-gang’s-whirl – Wolf-gang’s-whirl is so fast, it makes me dizzy, but I still have a joke to tell.
- Knock knock – Who’s there? – Wolf-y-the-wizard – Wolf-y-the-wizard says I can make you laugh with this joke, it’s a real spell-binder.
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter, are you ready to join in?
- Knock knock – Who’s there? – Wolf-pack-Pete – Wolf-pack-Pete says, I brought all my friends to tell you this joke, so get ready for a howling good time.
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-gang’s-wander – Wolf-gang’s-wander into the forest to find a good joke, and I think I found it.
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says, I’m here to plant a joke that will make you howl with laughter.
- Knock knock – Who’s there? – Wolf-gang’s-whimsy – Wolf-gang’s-whimsy always leads to a giggle, and this joke is sure to make you howl with laughter.
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-gangs-wonders-if-you’re-ready – Wolf-gangs-wonders-if-you’re-ready for a joke that’s so funny, it will make you howl with laughter.
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready?
- Knock knock – Who’s there? – Wolf-gang’s-wind-up – Wolf-gang’s-wind-up toy is broken, but I still have a great joke for you.
Silly Wolf Knock-Knock Jokes: Guaranteed to Make You Smile
Looking for a guaranteed giggle? Dive into the world of silly wolf knock-knock jokes! These aren’t your average “who’s there” scenarios. Expect goofy puns, howlingly bad wordplay, and maybe even a bit of wolfish mischief. Perfect for kids and adults who appreciate a good, lighthearted laugh, these jokes are sure…

- Knock knock – Who’s there? – Wolf-gang-the-comedian – Wolf-gang-the-comedian is here to tell you a joke, and he’s hoping it won’t be too ruff.
- Knock knock – Who’s there? – Howl-arious-Hank – Howl-arious-Hank is at the door with a joke that’s a real howl, are you ready?
- Knock knock – Who’s there? – Wolf-y-the-magician – Wolf-y-the-magician is here to do a magic trick, and then tell you a joke, are you ready to be amazed?
- Knock knock – Who’s there? – Lupine-Lou – Lupine-Lou you open the door, I have a joke that’s a real howl, and it’s about a wolf that tried to learn to dance.
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready?
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says, I’m here to plant a joke that will make you howl with laughter.
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter, are you ready to join in?
- Knock knock – Who’s there? – Wolf-pack-Pete – Wolf-pack-Pete says, I brought all my friends to tell you this joke, so get ready for a howling good time.
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter.
- Knock knock – Who’s there? – Wolf-en – Wolf-en you up to hear a joke, it’s going to make you howl with laughter!
- Knock knock – Who’s there? – Wolf-ram – Wolf-ram into your heart with this amazing joke, are you ready to laugh?
- Knock knock – Who’s there? – Wolf-gang’s-wig – Wolf-gang’s-wig is so fluffy, it makes me want to howl with laughter, are you ready?
- Knock knock – Who’s there? – Wolf-gang’s-wind-up – Wolf-gang’s-wind-up toy is broken, but I still have a great joke for you.
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready for it?
See Also – Top 150 Kangaroo Knock Knock Jokes That Will Make You Laugh Out Loud
Unexpected Twists: The Funniest Wolf Knock-Knock Jokes
Forget howling at the moon, prepare to howl with laughter! “Unexpected Twists: The Funniest Wolf Knock-Knock Jokes” dives deep into the silly side of werewolves. These aren’t your average jokes; they’re packed with absurd scenarios and hilarious wordplay. Get ready for some truly unexpected (and ridiculously funny) “who’s there?” moments.

- Knock knock – Who’s there? – Wolf-gang’s-wayward-whistle – Wolf-gang’s-wayward-whistle is so off-key, it’s making the other wolves howl with laughter.
- Knock knock – Who’s there? – Wolf-ie – Wolf-ie gonna let me in, I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-gang’s-wonders- Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl, are you ready?
- Knock knock – Who’s there? – Wolf-pack-Pete – Wolf-pack-Pete says, I brought all my friends to tell you this joke, are you ready for a howling good time?
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says I’m here to plant a joke that will make you howl with laughter, are you ready for it?
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter, are you ready to join in?
- Knock knock – Who’s there? – Wolf-gang’s-wig – Wolf-gang’s-wig is so fluffy, it makes me want to howl with laughter, and I have a joke to match, are you ready?
- Knock knock – Who’s there? – Wolf-en – Wolf-en you up to hear a joke, it’s going to make you howl with laughter, and it’s about a sheep that tried to do a backflip.
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready for a howling good time?
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, and it’s about a wolf that tried to learn to play the trombone.
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-gang’s-whimsy – Wolf-gang’s-whimsy always leads to a giggle, and this joke is sure to make you howl with laughter, are you in?
- Knock knock – Who’s there? – Howl-ard-Howl-ard you going to laugh at this donkey joke, it’s a real knee-slapper!
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says, I’m here to plant a joke that will make you howl with laughter, are you ready?
- Knock knock – Who’s there? – Wolf-gang – Wolf-gang is here to share a howl-arious joke, are you ready?
Clever Wolf Knock-Knock Jokes: A Play on Words
Looking for a howl-arious time? “Clever Wolf Knock-Knock Jokes” takes the classic format and adds a witty, lupine twist! Get ready for puns and wordplay that’ll have you chuckling. It’s not just about knocking; it’s about clever setups and surprising punchlines, perfect for anyone who loves a good, funny wolf…

- Knock knock – Who’s there? – Wolf-gang’s-wardrobe – Wolf-gang’s-wardrobe is full of stylish howls, and a joke about a very fashionable wolf.
- Knock knock – Who’s there? – Wolf-it-down-Willie – Wolf-it-down-Willie got to the punchline first, but the joke is still going to make you howl with laughter.
- Knock knock – Who’s there? – Wolf-gang’s-wayward-walk – Wolf-gang’s-wayward-walk took me all day, but I finally made it to your door with a joke that’s a real treat.
- Knock knock – Who’s there? – Wolf-gang’s-whisper – Wolf-gang’s-whisper is a secret, but my joke is so loud, everyone will hear it.
- Knock knock – Who’s there? – Wolf-gang’s-woof – Wolf-gang’s-woof is so cute, it’s hard to believe he can tell a joke that’s so funny.
- Knock knock – Who’s there? – Wolf-gang’s-wig-wag – Wolf-gang’s-wig-wag is so impressive, it makes me want to howl with laughter, and I have a joke to match.
- Knock knock – Who’s there? – Wolf-gang’s-wayward-whistle – Wolf-gang’s-wayward-whistle is so off-key, it’s making the other wolves howl with laughter, and I have a joke to share, are you ready?
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready?
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-en – Wolf-en you up to hear a joke, it’s going to make you howl with laughter.
- Knock knock – Who’s there? – Wolf-it-down – Wolf-it-down who? – Wolf-it-down, it’s time for a joke, and maybe some snacks after.
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter, and maybe do a little dance.
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says, I’m here to plant a joke that will make you howl with laughter.
- Knock knock – Who’s there? – Wolf-gang-the-comedian – Wolf-gang-the-comedian is here to tell you a joke, and he’s hoping it won’t be too ruff.
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter, are you ready to join in?
See Also – Hilarious Giraffe Knock Knock Jokes That Will Make You Laugh Out Loud
Wolf Knock-Knock Jokes: Featuring Different Wolf Characters
Ready for some howling good laughs? “Wolf Knock-Knock Jokes” takes the classic format and adds a furry twist! Expect silly scenarios with a cast of different wolf characters – from the Big Bad Wolf himself to surprisingly goofy pups. It’s a collection that’ll have you and your pack howling with…

- Knock knock – Who’s there? – Wolf-gang’s-wayward-whistle – Wolf-gang’s-wayward-whistle is so off-key, it’s making the other wolves howl with laughter, and I have a joke to share.
- Knock knock – Who’s there? – Wolf-ish – Wolf-ish you open the door, I have a joke that’s a real howl, and it’s all about a wolf that tried to learn to play the trombone.
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl, are you ready?
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says, I’m here to plant a joke that will make you howl with laughter, are you ready for it?
- Knock knock – Who’s there? – Wolf-gang’s-wig – Wolf-gang’s-wig is so fluffy, it makes me want to howl with laughter, and I have a joke to match, are you ready?
- Knock knock – Who’s there? – Wolf-en – Wolf-en you up to hear a joke, it’s going to make you howl with laughter, and it’s about a sheep that tried to do a backflip.
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter, are you ready to join in?
- Knock knock – Who’s there? – Wolf-pack-Pete – Wolf-pack-Pete says, I brought all my friends to tell you this joke, so get ready for a howling good time.
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready for it?
- Knock knock – Who’s there? – Wolf-ram – Wolf-ram into your heart with this amazing joke, are you ready to laugh?
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter.
- Knock knock – Who’s there? – Wolf-gang’s-wardrobe – Wolf-gang’s-wardrobe is full of stylish howls, and a joke about a very fashionable wolf.
- Knock knock – Who’s there? – Wolf-gang’s-whimsy – Wolf-gang’s-whimsy always leads to a giggle, and this joke is sure to make you howl with laughter.
- Knock knock – Who’s there? – Wolf-ish. – Wolf-ish you open the door, I have a joke that’s a real howl, and it’s about a wolf that tried to learn to play the trombone.
- Knock knock – Who’s there? – Wolf-gang-the-comedian – Wolf-gang-the-comedian is here to tell you a joke, and he’s hoping it won’t be too ruff.
Adult Humor: A Collection of Wolf Knock-Knock Jokes
Looking for a howling good time? “Adult Humor: A Collection of Wolf Knock-Knock Jokes” isn’t your kid’s bedtime story. This book dives into the wild side of wolf humor, delivering jokes that are a bit more mature and definitely more mischievous. Expect puns, wordplay, and plenty of wolfish chuckles that…

- Knock knock – Who’s there? – Wolf-gang’s-wine- Wolf-gang’s wine is aged to perfection, just like my jokes, are you ready for a sip of silly?
- Knock knock – Who’s there? – Wolf-gang’s-workout – Wolf-gang’s-workout is intense, and this joke is going to make you feel the burn of laughter.
- Knock knock – Who’s there? – Wolf-gang’s-wayward-whistle – Wolf-gang’s-wayward-whistle is so off-key, it might make your ears hurt, but in a funny way, and I have a joke to match.
- Knock knock – Who’s there? – Wolf-gang’s-wonders- Wolf-gang’s wonders if you have any treats, and I have a joke that’s a real howl, are you ready for it?
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter, and maybe do a little dance.
- Knock knock – Who’s there? – Wolf-gang – Wolf-gang who? – Wolf-gang is here to share a howl-arious joke, are you ready for some wolf humor?
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says, I’m here to plant a joke that will make you howl with laughter, are you ready for some garden humor?
- Knock knock – Who’s there? – Wolf-pack-Pete – Wolf-pack-Pete says, I brought all my friends to tell you this joke, so get ready for a howling good time, it’s going to be a pack of laughs.
- Knock knock – Who’s there? – Wolf-gang’s-wig – Wolf-gang’s-wig is so fluffy, it makes me want to howl with laughter, and I have a joke to match, are you ready for the fluff?
- Knock knock – Who’s there? – Wolf-en – Wolf-en you up to hear a joke, it’s going to make you howl with laughter, and it’s about a sheep that tried to do a backflip, are you in?
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter, are you ready to join in the howl?
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready to be won over?
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl, are you ready for some wonder?
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter, and maybe do a little dance.
- Knock knock – Who’s there? – Wolf-gang-the-comedian – Wolf-gang-the-comedian is here to tell you a joke, and he’s hoping it won’t be too ruff, are you ready for some wolf comedy?
Wolf Knock-Knock Jokes: Exploring Different Scenarios
Ready for some howling good laughs? We’re diving into the world of “Wolf Knock-Knock Jokes,” exploring scenarios that make these furry jokes even funnier! Imagine a wolf trying to deliver a pizza, or one attempting a smooth pick-up line. These aren’t your average knocks; get ready for some silly, wolf-themed…

- Knock knock – Who’s there? – Wolf-gang’s-wayward-whistle – Wolf-gang’s-wayward-whistle is so off-key, it’s making all the other wolves howl with laughter, and I have a joke to match, are you ready?
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl, are you ready for some wonder?
- Knock knock – Who’s there? – Wolf-gang’s-wig – Wolf-gang’s-wig is so fluffy, it makes me want to howl with laughter, and I have a joke to match.
- Knock knock – Who’s there? – Wolf-gang-the-gardener – Wolf-gang-the-gardener says, I’m here to plant a joke that will make you howl with laughter, are you ready for some garden humor?
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter, and maybe do a little dance.
- Knock knock – Who’s there? – Wolf-gang’s-wail – Wolf-gang’s-wail is so funny, it’s going to make you howl with laughter, are you ready to join in?
- Knock knock – Who’s there? – Wolf-gang’s-wonders – Wolf-gang’s-wonders who? – Wolf-gang’s-wonders if you have any treats, and I have a joke that’s a real howl.
- Knock knock – Who’s there? – Wolf-gang’s-way – Wolf-gang’s-way to your heart, is with a joke that’s a real howl, are you ready?
- Knock knock – Who’s there? – Wolf-y – Wolf-y you open the door, I have a joke that’s a real howl, it will make you want to howl with laughter.
- Knock knock – Who’s there? – Wolf-gang – Wolf-gang is here to share a howl-arious joke, are you ready?
- Knock knock – Who’s there? – Wolf-gang-the-comedian – Wolf-gang-the-comedian is here to tell you a joke, and he’s hoping it won’t be too ruff, are you ready?
- Knock knock – Who’s there? – Wolf-pack-Pete – Wolf-pack-Pete says, I brought all my friends to tell you this joke, so get ready for a howling good time.
- Knock knock – Who’s there? – Wolf-gang’s-wine- Wolf-gang’s wine is aged to perfection, just like my jokes, are you ready for a sip of silly?
- Knock knock – Who’s there? – Wolf-ram – Wolf-ram into your heart with this amazing joke, are you ready to laugh?
- Knock knock – Who’s there? – Wolf-en – Wolf-en you up to hear a joke, it’s going to make you howl with laughter, and it’s about a sheep that tried to do a backflip.