Funny Sibling Birthday Captions: Challenging and frustrating, yet encouraging and supportive – that’s the relationship between brothers and sisters. Being brother or sister means being there for each other no matter what. And with the birthday of your sibling coming up, you have all the more reason to let him or her know how much he or she is loved. Whether it is your younger brother who you always looked up to; whether it is your younger sister who always has had a piece of your heart; or whether it is your twin brother or sister with whom you share a beautiful love.
Funny Sibling Birthday Captions
- You can only take your sibling so far in life, but you’ll always be stuck with them. Happy birthday!
- I may not be your favorite child, but I’m your only sibling. Happy birthday, sis!
- Happy birthday to the best brother ever. I’m pretty sure that if you were a girl, we could have been best friends!
- hope it was worth it. now you have another year of me as an older sister. happy birthday, sib!
- I’m not spoiling you with a second birthday—the world has to deal with you for another year. Happy birthday!
- I’m glad that we are siblings. This way, I am certain you can’t escape me even if you try! Happy birthday!
- Happy birthday to one of the few people whose birthday I can remember without a Facebook reminder. Let’s get ready to party!
- Let me just say, you know nothing. Happy Birthday to my favorite sis ever @emilia_clarke
- A true friend is the one that sticks with you through thick and thin. Always remember I’ll be here for you no matter what happens. Have a great birthday!
- HBD to the best sister ever. When I think of you, I just wanna say thanks for being my favorite sister.
- Happy Birthday to the one I look up to (literally!) 💪🏻
- Glad to see you’re finally as old as I am. Happy birthday 🥳
- She’s my sister. She’s the best thing I’ve got. Thanks for always having my back, even when we’re not speaking to each other.
- My siblings are my best friends
- In our family, being normal is scary enough.
- Our parents only had one child, but she made us identical twins. Happy birthday to us!
- Happy Birthday to the best sister/brother in the world!
- What can I say, we’re twins. Happy birthday to the best sister EVER.
- Happy birthday to the only person I want as my getaway driver! Love you a latte, @sibling.
- Today is my brother/sister’s birthday and I want to let you know he/she was born with the best genes.
- Happy birthday to my amazing sister. You deserve all the love, hugs and happiness today. I am so proud to call you my big sister.
- I’m so glad to have a twin because I have a constant companion and an amazing best friend. Happy birthday, twinny!
- I wish you a lot of candles, but no cake. It will be easier to count your age. Happy birthday!
- Happy Birthday to my partner in crime and fellow Netflix enthusiast.
- Happy birthday to the one person in this world I absolutely couldn’t live without!
- As your sibling, I know what you’re thinking: “I can’t believe I still have to put up with this person after all these years.”
- Another year older, another reason to celebrate!!
- Thank you for putting up with me all these years.
- Happy birthday to my weird and crazy sibling. You are The best!
- Birthday twinsies!
- You are more than just my brother. You’re my friend… Which is weird, because you’re like way older than me. Happy Birthday.
- Happy birthday to the best sibling in the whole world! I’m so lucky to have you as my brother.
- I’m so thankful to have you as a sibling. You make me laugh even when I don’t want to smile. Happy Birthday!
- Happy Birthday to the 2nd best sibling in the world.
- I’m really proud of our friendship – for starting as strangers, becoming friends and ending up like siblings. Happy Birthday!
- My brother will never be the man I am today. Happy birthday!
- Happy Birthday to my brother, who has always been there for me. I don’t know what I would do without you.
- My brother has the best sister in the world. Oh wait, that’s me.
- Happy birthday to the person whose face makes me laugh the loudest and longest.
- Happy birthday to the person who has the same smile and hairline as me.
- Having a sister is like having a built-in best friend.
- To a brother who has the best sister in the world. Happy Birthday!
- Happy birthday to the best brother in the world—another year older and still living with Mom and Dad. Way to go, dude!
- Happy birthday to my BFF and partner in crime
- Hey, I just wanted to wish you a happy birthday and say that I’m so grateful we share genes. 😍
- Happy Birthday to my little sidekick. Thanks for helping me fight off bad guys and evil villains.
- Happy birthday to my partner in crime.
- Happy Birthday to my partner in crime, who is also a pain in my back. I love you!
- Happy Birthday to the only person I would want as my getaway driver!
- Happy birthday to you,
- Yes, we fight like cats and dogs. But I still think the world of you. Happy Birthday!
- Even though I’m older, you will always be my baby.
- Not all heroes wear capes. Thanks for being the real MVP! Happy birthday!
- You know what they say: The bigger the sibling, the harder they make your birthday. Happy birthday to my big sister!
- Being your brother is a job as vital as being president, but I’m willing to make the sacrifice. Happy Birthday, Bro!
Funny Sibling Birthday Quotes
- happy birthday to you, happy birthday to you, happy birthday dear brother/sister, happy birthday to you!
- Happy Birthday to the best sister I could have asked for. Let’s get matching tattoos to celebrate!
- Happy Birthday to my twin sister. Never knew that having an annoying buddy will be a part of the deal.
- Happy Birthday to my brother on the 2nd best day of the year.
- Happy birthday to the person who’s always down for a good time, no matter what.
- “A bond that lasts forever… Happy birthday!”
- I hope you get everything you wish for…so that means I get new clothes, right? Happy Birthday, Sister!
- Happy Birthday to the only person I would want as my getaway driver.
- Roses are red, violets are blue, the birthday cake is sweet, but not as sweet as you.
- When I was born, my parents had to choose between me and the dog. They chose me, and I’m glad they did because that dog was ugly!
- Sisters by chance, best friends by choice.
- You’re the peanut to my jelly.
- Let the world know that your sibling is the coolest one out there! 🎂🎉
- 🎉 Happy Birthday to my adorable Sibling. I hope this day is full of fun and happiness, just like you! 🎈
- Happy Birthday to my crazy, fun, fabulous sister!
- I love you to the moon and back! Happy Birthday, Sis!
- We all make mistakes in life, but I’m glad you were mine. Happy Birthday.
- Happy Birthday to my brother!
- You thought you were the favorite, but I’m the favorite. Happy Birthday!
- Happy Birthday to my best friend, who is better than all the rest.
- siblings may drive you crazy, but they always stand by your side when the going gets tough.
- Happy Birthday to one of my most treasured possessions.
- Does anyone else feel like their sibling is their human diary? Honestly, I don’t know what I would do without them (as much as they get on my nerves sometimes)
- It’s amazing how we can go from strangers to brothers.
- I will always love you but may not like you at times…but that’s fine.
- I’m so glad to have you as my brother.
- Thanks so much for being a great sibling. Even though we don’t see each other as much as we used to, I still appreciate you and love you more than anything. Happy birthday!
- It’s my brother’s birthday today! Celebrate with me by sending him a birthday wish on his profile. Happy Birthday, @username!
- Happy birthday to my partner in crime, favorite sibling, and unofficial mommy of our family.
- Wishing you a happy birthday and lots of cake! And if I know my brother, he’ll be having lots of fun!
- It’s your birthday! Cakes and ice cream, balloons and streamers, games, and fun. Oh did I mention you have to share it with me? Happy Birthday to my partner in slime!
- Happy Birthday to the brother I only has for 8 months a year!
- For the sibling who is a little strange, but the closest one to your heart!
- Happy Birthday to the funniest/weirdest/most embarrassing person I know 😋
- My life wouldn’t be what it is today if I didn’t have my brother there. Wishing you all the best on your special day!
- Everything good I have in life is because you shared it with me. Happy Birthday!
- Another birthday with my favorite person in the world.
- Happy birthday to someone who is still better than me at everything.
- “They say that God only gives special children to special parents. I am so proud to have you as my sibling.”
- Like salt and pepper, we go together.
- To the best sibling, anyone could ask for, Happy Birthday!
- No one understands the absurdity of siblings like siblings. Happy birthday to the weirdest person I know… you!
- You are the best brother in the entire universe. Happy birthday, I am so proud of you.
- You know what they say: the family that dresses up in matching costumes together, stays together. Happy Birthday to my awesomely weird sister!
- Our parents made us related, we became friends on our own. Happy Birthday, bro!
- Happy Birthday, Big Bro 🎉 You were the first to teach me how to get into trouble.
- Happy Birthday to one of the few people whose birthday I can remember without a Facebook reminder.
- Happy Birthday to my partner in crime!
- Happy birthday to my best friend, who is better than all the rest
- Happy birthday to my best friend and a constant source of entertainment 😉
- Even though we’re not all related by blood, I’m so glad we were all chosen to be family!
- I may be older, but YOU’RE still taller!
- I don’t know what I did to deserve a brother like you. Happy birthday, bro!
- You fought with them, you shared with them. But in the end, you shared a bond that was special and unique. Happy birthday to my special sibling!
- Happy Birthday to my favorite sibling. Just kidding, I have no other siblings.
- Today is about you. But tomorrow, your new job will be picking up dog poop and paying for weddings. Soak it up while you can! Happy birthday Lil bro👍
- Happy birthday to my favorite sibling!
- You are a keeper. No, really. Like I would keep you captive forever in my basement because you’re that awesome. Happy birthday!
- Happy birthday to the only sibling I would want to be shipwrecked on an island with.
- Apparently, you can’t have a birthday without eating cake. Thanks for not telling my Mom!
- Happy birthday to my best friend and the greatest set of siblings God could have ever blessed me with.
- You know you’re getting old when you have to count down the days until your birthday just like they do on prison shows.
Funny Birthday Wishes For Brother
- Some people don’t believe in heroes, but they haven’t met my brother. Happy Birthday bro
- Thank you for being my first best friend. I love you so much!
- Two peas in a pod.
- I’m the best sister in the world. (You can agree with me because I’m your sister.) Happy birthday!
- being brother and sister means being there for each other. Happy birthday, sis!
- Happy Birthday to the greatest sibling in the world.
- Happy Birthday to my favorite sibling!
- The best thing about having you as a brother is that I always have a friend. Happy birthday!
- Happy Birthday to me and my twin! Just like our parents, we both get a piece of cake.
- you gave me the gift of life… and then took it right back. happy birthday, sis!
- I may not be your favorite child, but I’m definitely your favorite sibling.
- We may fight, throw shade, and argue now and then, but we’ve been through thick and thin, so happy birthday to my best friend.
- Happy birthday to my biggest fan, and most honest critic—you know I love you!
- You’re the sister I got to choose.
- A sister is like a different flower from the same garden – that’s why the sun was shining so tenderly on your side. Happy Birthday.
- Count your age by friends, not years. Count your life by smiles, not tears.
- Thanks for being willing to share all the good genes with me.
- “The good thing about having an older sister is that they can’t remember a time when you weren’t the best. Happy birthday, sis!
- Happy Birthday to the best brother in the world. I hope your day is full of fun, laughter, and love!
- I know I’m not perfect, but I’m so glad you were born because you make me want to be a better person every day. Happy birthday!
- Birthdays are good for you. Statistics show that people who have the most live the longest.
- We’re going out for a birthday dinner, so you can just eat the cake for both of us.
- Happy Birthday to my favorite lil’ knee growing!
- Happy birthday to the one person who can embarrass me mercilessly in front of my friends. Love you!
- I’m so happy to have you as my sister because otherwise, I’d be completely alone in explaining our parents’ questionable behavior.
- My brother/sister is my best friend. You stand by me when times are rough, you make me laugh when I don’t even want to smile.
- On this day, a queen was born. Happy Birthday to Me!
- Age is just a number (unless you’re a bottle of wine).
- Side by side or miles apart, sister I will always be with you, connected by the heart.
- The struggle is real 👫👫
- It’s my best friend’s birthday! And I just wanted to say thanks for being a bro.
- I’m so lucky that you are my sister. Happy birthday!
- Happy Birthday to the best brother I could ever ask for.
- You may not be the best-looking sibling but you are still my favorite.
- Happy birthday to the best sidekick I could ask for, my brother.
- I am the elder one, so you should make me happy. Happy birthday, little bros.
- Roses are red, violets are blue, today is your birthday and I’m still taller than you!
- Being a brother is the best thing ever, but sometimes you do your best work as an annoying little sister.
- Happy birthday to the only person I would want as my getaway driver.
- You have to get older, but you don’t have to grow up. Happy birthday!
- The best part about having a sister was that I always had a friend.
- My brother is my best friend
- The secret to a long life is to try not to shorten it.
- I planned on getting you a cake for your birthday, but I didn’t have enough candles. Happy Birthday!
- Happy Birthday to my only sibling.
- Happy birthday to my partner in crime, favorite roommate, and most annoying little sister. I love you!
- I know you like to be the center of attention, which is why I’ve set you in the middle. Happy birthday!
- We may fight like cats and dogs, but I love you more than anything! Happy Birthday, bro.
- Happy Birthday to my sister, who always smiles and is never sad. I hope all your birthday dreams and wishes come true!
- Roses are red, violets are blue. Happy Birthday to my sibling who’s older than me and has it all together – not!
- You’re the only person I’d share my closet with. Happy Birthday, sis!
- my wish for you is that this life becomes all that you want it to, your dreams stay big and your worries stay small. Happy birthday.
- Hey there, you’re one year older today. You now have 365 days to live this new year of your life.
- Happy Birthday to the person who’s showered with me borrowed my clothes without asking and still loves me even though I’m a weirdo. Love you!
- Siblings are the people we practice on, the people who teach us about fairness and cooperation and kindness and caring — quite often the hard way.
- the only reason you’re older than me is that you use a time machine.
- Friends come and go, but you, my dear brother are always stuck with me!
- Everyone should have a friend like you to make birthdays better! Thanks for being such an awesome birthday buddy.
- (of a sibling) They’ve seen me at my best and at my worst, yet they’re the ones who love me the most. Happy birthday, sis!
- Stop looking for Prince Charming—you’ll find he’s already married to your sister. Happy birthday!
- There are so many important things that I learned from you. Like how to make my sister’s birthday super special! Happy Birthday, Sis!
- Happy Birthday to the world’s best sister. Sorry, I had to say it loud, in case you are too busy looking in the mirror!
- Happy Birthday to my favorite sibling.
- It’s your birthday today, so take a walk on the wild side!
- A sister is a little bit of childhood that can never be lost.
- Thank you for sharing your parents with me.
- I’m glad I get to grow up with you instead of like an only child.
- Sometimes I wonder how you put up with me. Then I remember, *I put up with you. That’s how. 😅😅
- It’s not about the quantity, it’s about the quality. And in this case, my quality is pretty high!
- Happy birthday to my lovely sister! Congratulations on aging another year in dog years
- They may be your siblings, but they’re your best friends first.
- Happy Birthday! I’m so thankful to have you as a brother.
- to the sis who puts up with me no matter how annoying I get, happy birthday!
- To my brother, I may not talk to you every day but you always remain in my thoughts and heart. Happy Birthday
- Whatever’s good for your soul, do that. Happy birthday, sis!
- It’s kinda disgusting how cute you two are.
- I’m so glad you have siblings, especially because I love them so much.
- My brother is my best friend, and you know what? I’m not even mad about it.
- This is my brother. I would definitely trade him for a bag of chips.
- They may annoy you. Some days, you may want to pull your hair out. But, you can’t live without them.
- I’ve been standing since the day you were born
