Are you ready to add some laughter, mischief, and hilarity to your sister’s birthday celebration? If your answer is “YES,” then you’re in the right place! We’ve got a collection of funny birthday wishes for your sister that are sure to make your her’s special day.
In this article, we’ve gathered the wittiest, silliest, and most hilarious birthday wishes for sister that are tailor-made for your awesome sister.
Whether you share an inside joke, a history of pranks, or just love to crack each other up, we’ve got the perfect funny birthday wish for her. Don’t forget to check also heart touching birthday wishes for sister.
We all know that sisters are the coolest, quirkiest, and sometimes the craziest people in our lives.
See more:
- Short Birthday Wishes For Sister
- Birthday Wishes For Sister From Another Mother
- Birthday Wishes For Cousin Sister
They are the ones who have been with us through the best and worst moments, sharing inside jokes, pulling hilarious pranks, and giving us belly-aching laughs. So, why should her birthday be any different?
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Funny Birthday Wishes for Sister
Happy Birthday to not only the sassiest but the coolest, and craziest most adorable little sister in the world!
Having a sister like you is a fantastic gift. I am sending warm wishes and lots of hugs & kisses your way. Happy Birthday!
Happy Birthday to you! Happy Birthday to you! You look like a monkey and you belong in a zoo! There you go, little sister. I hope your birthday is absolutely bananas!
Do you know why you are my favorite sister? Because you are dumb and you don’t even know it. Happy Birthday my dear!
Happy Birthday, sister! Can’t believe how old we’re getting! Love you!
I hope you always stay the funny and cheeky little girl I know and love, and who growing up with was a total blast! Happy birthday to you today!
Even though you will always be a little monkey to me, you have grown up, happy birthday Lil sister
Everyone grows old but not everyone can grow wise. Please don’t be sad, my friend. Not everyone needs wisdom too. Happy Birthday!
Sister, at times you could be the thorn in my side, the worm in my apple, and the pimple on my chin…but through thick and thin you will always be my sister! Happy Birthday to someone silly, spontaneous, beautiful, and witty! I love you to the moon and back!
You’re finally 21! Now you can legally do all those things that you’ve been doing since you were 16! Happy birthday!
Happy birthday from one wise elder sister to her younger and more beautiful baby sister!
You’re not actually old… I guess. You’re one of my favorite humans & you’re beautiful! I hope your day is fantastic.
You have indeed given me nerves of steel, Happy Birthday little sister.
There’s nothing quite as precious as the bond between siblings. I love you and hope you’ll have a perfect birthday.
The most heartfelt wishes to my incredible sister! You mean so much to me, cutie, I wish you all the happiness in the world!
Have I ever mentioned, how wonderful and comfortable your clothes are? No? Ups, sorry, they really are. Thanks! Happy birthday, sis, and hope your closet will always be full.
I was trying to think of something funny or witty for your birthday message this year, but all I could think of were silly jokes and cliche anecdotes. I guess you got the gift of being both the younger ones and the funny one, sis!
Enjoy the next three years until you are officially old! Love, Your younger sister.
Happy Birthday little sister, I may have always been the smart one, but you have always been a great sidekick.
Happy Birthday to a great sister, a wonderful friend, and an all-around amazing person!
Pharmaceutical companies should take a few swabs of your DNA and bottle its chemical composition to create a product called Emotional Healer. Happy birthday, sis.
You know you get the most attention, right? So what exactly is the point of a whole day dedicated to you? Anyways, happy Birthday!
Happy birthday to my baby sister who is so cute and funny, which is probably why she reminds me so much of myself! We’re so alike it’s scary! Happy birthday from your equally wonderful elder sister, sis!
No matter how old I get, I’ll still always be younger than YOU, you old fogey!
No one has quite a little sister like you. You are not only crazy but funny at the same time. Happy Birthday.
Happy Birthday To A Lovely Sister. Wishing you love, success, and happiness in your life. Have a great day!
How incomplete would one earring look when worn without the other? That is how I would look without you. Happy birthday.
To the sibling, I am least embarrassed to be related to! Or am I? Happy Birthday to the coolest sister anyone could ever ask for!
Today, I’m wishing a very happy birthday to my almighty younger sister! She might be little, but don’t let that fool you… she can certainly make her presence known when she wants to! She’ll never go unnoticed, that’s for sure!
Happy Birthday, sister! You better go check if you grew! I’m so glad the aliens sent you to earth all those years ago to be my sister. I hope you have a fun birthday! We love you!
Funny birthday wishes for Younger sister
Happy Birthday to the most competitive person I came across in my life. I don’t know though, why could you never accept my win against you…..
Have I ever mentioned, how wonderful and comfortable your clothes are? No? Ups, sorry, they really are. Thanks! Happy birthday, sis, and hope your closet will always be full.
Some people command respect, some admiration, some jealousy, some competitiveness, and others, unconditional love. But you command all these things at once. Happy birthday to my perfect sibling.
Out of all of my siblings, life has blessed me with you’re my favorite because only you can see the humor in receiving an empty box as a gift.
Happy birthday, little sister!
I was going to make a joke about how you’re getting older, but that immediately backfires as I’m always going to be older than you! At least we can make fun of each other as we grow old together!
Happy 18th Birthday, sister! I wish I could be there to celebrate with you. I’m so proud of you and I miss you every day! Now that you’re a legal adult, try to make better choices than I did! Haha! Love you to the moon and back Birthday Girl!
Happy Birthday, dear one. I love you and will love you until the very end. To be clear, this doesn’t mean that you are any better than me. Love you.
Friends may come and go throughout my life, but family is forever. I am so grateful that I have a sister as wonderful as you by my side. There is no one I would rather have as a sister than you.
You possess all of my good qualities but better if such a thing is even possible!
Happy birthday to my favourite younger sister! You might not have a lot of competition but still, you’ll always be number 1 to me!
Happy Birthday, sister! I hope you have a super fabulous day and a super fabulous year! Party hard, but not TOO hard. I hear hangovers only get worse as you get older.
Happy Birthday little sis. No matter how much you’ve grown or matured, you will always be the silly Lil sister to me.
Happy Birthday to a wonderful friend. Some people are born with a sister. I found one in you.
BFF means Best Friends Forever but do you know what SBFD means? It means Sister but Best Friend in Disguise. Happy birthday.
Happy Birthday, Sister. As a kid, you were a lioness. But with the rising age, you’re becoming a lazy cat.
Being the elder sister and having to look out for me can’t have been easy when we were growing up, especially as I didn’t try and make it any easier! You must have had the patience of a saint back then!
Happy birthday to you today, sis!
Happy freakin’ Birthday, sister! You are gonna have a fabulous 34th! It’s time for some fun times with our favorite wines! Love you the most.
Happy Birthday, Sis, but that doesn’t mean that you don’t have to do the chores….
Hey sister, from start to finish, may every moment of your big celebration be spectacular. Happy birthday!
What would the world be without bright sunshine and the morning dew? That is how dark and dull my life would be without a sister like you. Happy birthday.
Enjoy your birthday this year to the fullest because who knows, after a few years, you might feel ashamed of your true age. Happy Birthday!
I would tell you not to grow up too quickly and simply cherish the years, but you seem to be doing a pretty good
job of that all by yourself, my dear sister! I’m wishing you a very happy birthday and sending a big kiss!
Happy 21st Birthday, sister!!! So happy that you are finally able to do our liquor store runs!! This summer is about to be LIT! Love you so much!!!
Happy Birthday, dear younger sister. When will you ever grow mature?
Hope you will not get sad over the number of candles on your cake. Many happy returns of the day, my love.
My childhood would have been incomplete and imperfect without a sister like you. Happy birthday.
Do you know, you are the luckiest person in the world, sis? Wondering why and how? Just because you have ME. I know, I‘m cool. Wish you to be the same. !
Happy birthday to you! How is it that each year you get older, yet you become more and more beautiful, little sis!
Funny Birthday Wishes for Elder Sister
I’m late, I’m late for a very important date! That date is… your birthday! Happy Birthday, sister! I love you! I hope your birthday was everything you wanted it to be and more!
I look at people growing apart as they grow up. Then I always feel fortunate to come home to a lethally annoying sibling, you. Happy Birthday, kiddo.
A huge thank you for being my bodyguard, best friend, and secret keeper. I don’t know what I’d do without you!
When I look at you, I feel like I am looking at myself in the mirror. When I look at myself in the mirror, I see you. Happy birthday sis.
Happy birthday, Sis, I hope you can wear those diapers yourself now because I am not helping.
Well, I’ll tell you why… It’s because you’re related to me! It runs in the family, my super gorgeous sister!
Happy Birthday, sister! I hope you have a SCHITT birthday! I wish I could be there with you and mom to celebrate. You are the best sis and I love you so very much! Thank you for being my support system and best friend!
Let’s not forget all those holidays spent together, …and all the lazy days we’ve had in each other’s company. Happy Birthday, I can’t wait for what’s ahead of us!
Thanks for being born, sis! Without you, life would be way too boring even to contemplate.
On your big day, I wish that your failures be as few as the teeth of our grandfather!
I had a really funny joke about you prepared for this special occasion, but then I realized I didn’t want people to see me get my ass kicked by a girl.
Happy birthday to my baby sister who sometimes is so annoying that I wish she was far away, but deep down I know I would miss her after just one day!
Almost 30… eek! Happy Birthday, sister bear! Enjoy your quarantine birthday… you hate people anyway. Lol. Love you so much.
Although we’re usually laughing at each other, I’ll always be laughing beside you. Take a deep breath and keep slaying! Happy Birthday, Sis.
Sister, no one shines as brightly as you do. You do more than stand out in a crowd; you dazzle people with your kindness and generosity. Thanks for always bringing the sparkle into my life.
Usually, wisdom comes along with age. It looks like you haven’t reached that age yet, so celebrate your birthday as crazy as possible! Happy birthday, sister!
No matter how serious life gets, you’ve got to have that one person you can be foolish with. So glad I’ve got you, sis! Have a brilliant birthday!
How is it that you’re my elder sister and even though you’re turning another year older today, you simply never seem to age?! You’re making me look bad, sis! I hope that I too will follow in your footsteps and just stop aging at a certain point as well!
Happy birthday to you, my dear!
Happy Birthday, sister – we love you! Hope you have a very awesome birthday and with covid vaccines, you throw a raver under your belt! Easy on the tippy cow. Wish we could be there to help celebrate… Next year!
Wrapping up:
And there you have it, folks! A treasure trove of funny birthday wishes for your sister to make her big day absolutely unforgettable. We hope these hilarious greetings have sparked your creativity and given you the perfect arsenal of laughter-inducing messages.
And hey, if you come up with any rib-tickling birthday wishes of your own, don’t keep them to yourself! Share the laughter with our fantastic community in the comments below.
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