Birthdays are all about cake, candles, and awkwardly pretending you enjoy people singing to you.
But you know what makes a birthday party truly unforgettable? Knock-knock jokes—the ultimate icebreakers that get everyone laughing (or groaning) in unison.
If you’re here looking for the funniest birthday-themed knock-knock jokes, you’ve landed in the right place. Whether you need jokes for a kid’s party, a workplace birthday, or just to annoy your friends, we’ve got you covered.
Get ready to knock, knock your way into the comedy hall of fame!
Classic Birthday Knock-Knock Jokes

Nothing beats the classics! These are perfect for any age and never fail to get a chuckle.
- Knock, knock!
Who’s there?
Cake.
Cake who?
Cake me in, I’m ready to party! - Knock, knock!
Who’s there?
Candles.
Candles who?
Candles sing better than you, but go ahead and try! - Knock, knock!
Who’s there?
Gift.
Gift who?
Gift me a break, it’s my birthday!
Barbie Wisdom for Every Party:
- Birthdays are like glitter—there’s always more than you expect
- You’re never too old for pink, cake, or compliments
- A party without me is just a meeting
- The best gift? A fabulous you!
- Age is just a number, darling—mine is unlisted
- Every birthday is a chance to reinvent yourself
- Today’s outfit? Birthday queen chic
- Blowing out candles like a total boss
- A Barbie never ages, she just updates her accessories
- Sparkles, smiles, and a little bit of sass
- Keep calm and eat the cake
- Friends, cake, and selfies—birthday perfection
- Let them eat cake (and save me a slice)
- Born to shine, not just today but every day
- Wrinkles? I don’t know her
Cake-Themed Knock-Knock Jokes

If there’s one thing that should never be taken lightly, it’s birthday cake. These jokes are sweet—literally.
- Knock, knock!
Who’s there?
Batter.
Batter who?
Batter bring extra cake, I’m hungry! - Knock, knock!
Who’s there?
Frosting.
Frosting who?
Frosting on the cake makes birthdays great! - Knock, knock!
Who’s there?
Sprinkles.
Sprinkles who?
Sprinkles some fun on this party!
Barbie Birthday Cake Mantras:
- Life’s too short for boring cake
- More sprinkles, more happiness
- Cake calories don’t count on birthdays
- A Barbie never refuses dessert
- Frosting is basically edible happiness
- Slice it up, buttercup!
- Birthday cake is just adult-approved finger food
- No such thing as too much icing
- Sharing cake is caring—just kidding, get your own
- One slice, two slices, who’s counting?
- Cupcakes are just personal-sized birthday cakes
- If cake is wrong, I don’t want to be right
- Pink frosting or bust
- Candles make wishes come true, cake makes them taste better
- Layered, sweet, and fabulous—just like me
Age-Themed Knock-Knock Jokes

Getting older? No big deal—just means more wisdom, more cake, and more excuses to make bad jokes.
- Knock, knock!
Who’s there?
Old.
Old who?
Old you need is a great birthday party! - Knock, knock!
Who’s there?
Wrinkle.
Wrinkle who?
Wrinkle you glad birthdays come with cake? - Knock, knock!
Who’s there?
Memory.
Memory who?
Memory fails me, how old are you again?
Barbie’s Take on Aging Gracefully:
- A little older, a lot more fabulous
- Age is just experience in high heels
- Birthdays are just milestones on the road to greatness
- One more year, one more reason to shine
- A queen never reveals her real age
- Wrinkles? I call them laugh lines
- Vintage is valuable, darling
- Time flies when you’re fabulous
- The best thing about getting older? More wisdom, less nonsense
- Birthdays: A chance to add more glitter to life
- Growing older is a privilege, looking amazing is a choice
- I age like fine wine and expensive handbags
- Life begins at every birthday, make it count
- It’s not the years, it’s the moments that matter
- The best anti-aging secret? Confidence
Party-Themed Knock-Knock Jokes

Parties need energy, music, and a good sense of humor—so let’s get the laughs rolling.
- Knock, knock!
Who’s there?
Disco.
Disco who?
Disco crazy, it’s my birthday! - Knock, knock!
Who’s there?
Confetti.
Confetti who?
Confetti my party, it’s about to be wild! - Knock, knock!
Who’s there?
Dance.
Dance who?
Dance no stopping this birthday bash!
Barbie’s Party Rules:
- Dance floor? More like my personal stage
- The DJ plays what I want, obviously
- A birthday party without pink? Unacceptable
- Confetti is just fancy birthday dust
- Champagne, cake, and charisma—triple threat
- Too much fun? No such thing
- Life’s a party, dress like it
- Every birthday should feel like a red carpet event
- The guest list? Exclusive. The fun? Unlimited
- If I’m there, it’s a party
- Why have one cake when you can have three?
- Parties should last as long as the heels stay on
- Birthdays deserve a theme—mine is ‘fabulous’
- Cupcakes in one hand, confetti in the other
- The real gift? My presence, obviously
Gift-Themed Knock-Knock Jokes
Presents are great, but the real gift is… these jokes.
- Knock, knock!
Who’s there?
Present.
Present who?
Presenting you with the best birthday ever! - Knock, knock!
Who’s there?
Ribbon.
Ribbon who?
Ribbon up your gift, let’s open it already! - Knock, knock!
Who’s there?
Surprise.
Surprise who?
Surprise, it’s cake! Again!
Barbie’s Gift-Giving Wisdom:
- The best gifts sparkle
- A new outfit is always the right choice
- Presents? Yes, please!
- It’s not about the price, it’s about the pink
- If it’s not cute, it’s going back
- The real present? The memories (but also, jewelry)
- Wrapping paper is just an obstacle to happiness
- Shopping is an Olympic sport
- Gift cards are the lazy way out—do better
- It’s the thought that counts, unless it’s ugly
- One gift? Try ten
- Surprise me with something sparkly
- Birthdays are the perfect excuse to be spoiled
- The best gift? Time with people you love… and shoes
- Keep the receipts, just in case
Candle-Themed Knock-Knock Jokes
Candles may melt, but these jokes will keep the laughter burning bright!
- Knock, knock!
Who’s there?
Wax.
Wax who?
Wax the best way to blow out all these candles? - Knock, knock!
Who’s there?
Flame.
Flame who?
Flame on, it’s time to light up the birthday cake! - Knock, knock!
Who’s there?
Glow.
Glow who?
Glow ahead, make a wish!
Barbie’s Take on Birthday Candles:

- More candles, more wishes—simple math
- Blowing out candles like a superstar
- My birthday wish? More fabulous birthdays
- Age doesn’t count, but the candles do
- A single candle or a whole fire hazard—both work
- The brighter the candles, the brighter the future
- Saving my breath for birthday cake, not candles
- Making wishes and making history
- Fire extinguisher on standby—just in case
- No candle left unlit, no wish left unmade
- Birthday candles are just tiny fireworks
- Light them up, it’s celebration time
- Too many candles? Nah, just enough sparkle
- A wish, a breath, and a whole lot of magic
- Some blow out candles, I make them shine
Final Thoughts:
Nothing makes a birthday more fun than a little laughter. Share these jokes, use them in birthday cards, or keep them handy for your next party. And remember—every good birthday starts with cake and ends with knock-knock jokes!