Sisters are not just siblings ๐ They are partners in crime ๐คซ keepers of secrets and sometimes the best comedians in our lives! Whether sheโs your older sister who bosses you around ๐ or your younger sister who drives you crazy ๐คช her birthday is the perfect chance to return the favor with laughter! Forget the boring Happy Birthday messages and make her day unforgettable with these funny, sassy and totally hilarious birthday wishes. If your sister loves humor, memes or savage captions, youโre in the right place!
25+ Funny Birthday Wishes for Sister ๐๐

1. Funny & Savage Birthday Wishes ๐ฅ
- Happy Birthday sis! Remember, age is just a numberโฆ that keeps increasing every year ๐
- Youโre officially older today! Congrats on leveling up in life ๐ฎ too bad the looks didnโt improve!
- Happy Birthday to my sister who still acts like a drama queen ๐ even in her 30s!
- They say wisdom comes with ageโฆ so when does yours arrive? ๐
- Cheers to another year of stealing my clothes ๐ and never returning them!
2. Hilarious Birthday Messages ๐คฃ
- Happy Birthday! I was going to buy you something amazingโฆ but then I remembered you have me ๐
- Cake calories donโt count on birthdays ๐ฐ but wrinkles do. Oops!
- Congrats sis! Youโre at that age where everything hurts and nothing works ๐
- Donโt worry about getting oldโฆ youโre still younger than youโll be next year!
- May your birthday be as fabulous as your makeup filters ๐
3. Funny Instagram Captions for Sisterโs Birthday ๐ธ
- Happy Birthday to my sister the only person Iโd share my Netflix password with ๐ฟ
- Older? Yes. Wiser? Not so much. Happy Birthday sis!
- A queen was born today ๐ too bad it wasnโt me. Happy Birthday!
- Happy Birthday to the sister who knows all my secrets and still loves me โค๏ธ
- Turning older is mandatory growing up is optional. Cheers sis!
4. Funny Birthday Meme Ideas ๐คณ
- Happy Birthday! May your life be as drama-free as your Instagram stories (impossible)
- Another year closer to becoming the cool aunt with wine bottles ๐ท and zero responsibility
- Youโre not oldโฆ youโre vintage now. Thatโs fancy right? ๐
- Happy Birthday to the sibling I didnโt choose but got stuck with anyway ๐
- Smile! It hides the wrinkles better ๐ฌ
5. Funny Wishes for Younger Sister ๐ง
- Happy Birthday little sis! Enjoy being youngโฆ itโs all downhill after 25
- Congrats on another year of being everyoneโs favorite child (except mine)
- Happy Birthday! Iโd make a joke about your age but youโre too young to understand it
- Another year older but still canโt beat me at Mario Kart ๐ฎ
- Remember Iโm the older one so technically Iโm always right!
6. Funny Wishes for Elder Sister ๐ฉ
- Happy Birthday big sis! Thanks for teaching me everythingโฆ except how to share ๐
- Congrats! Youโve reached the age where hair dye is mandatory ๐
- Happy Birthday to my elder sister who is forever youngโฆ in her mind
- Youโre not bossy you just have better ideasโฆ said no one ever ๐
- Big sis youโre like a fine wine old and overpriced ๐ท
7. Funny Birthday Quotes for Sisters โจ
- Sisters are like fat thighs they stick together!
- Having a sister means you always have someone to blame ๐
- Sisters the only enemies you canโt live without ๐
- Happy Birthday! Donโt worry youโre still younger than you will be tomorrow
- Sisters share childhood memories and grown-up jokes and a lifetime supply of sarcasm ๐
Conclusion ๐

Birthdays are the perfect excuse to make your sister laugh until she cries (happy tears of course) ๐ These funny and hilarious wishes are not only Instagram-worthy but also guaranteed to make her day unforgettable ๐ So pick your favorite savage or sassy line pair it with a funny meme or caption and let your sister know how awesome and hilarious you think she is. After all life is too short for boring birthday wishes!
โ Pro Tip: Save these captions for Instagram stories or Pinterest boards so you can make her laugh every year!