Funny
Happy birthday, sister — another year of being annoyingly correct about most things. We accept the verdict reluctantly.
Funny · 32 cards
Happy Birthday Sister Funny Wishes
Funny birthday wishes for your sister. Make her laugh and show your love with these hilarious messages!
Surprise your sister with some funny birthday wishes! Here you will find the funniest and most humorous birthday wishes for your sister. Show your sense of humor and love with these hilarious messages and let her know that even though you are “siblings”, you are also the best of friends.
Funny
Happy birthday to the sister who borrowed my clothes and somehow still has them somewhere in her wardrobe.
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Sister, happy birthday — you're aging gracefully, which is irritating, but I love you anyway.
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Happy birthday to the only person who can insult me in public and still get a thank-you card later.
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Sister, you're another year older and still funnier than me. We need to discuss this trend at some point.
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Happy birthday — you remain my favourite person to argue with about absolutely meaningless things for hours.
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Sister, happy birthday — you peaked early as the favourite child, and you've coasted on it impressively ever since.
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Happy birthday to the sister who knows all my secrets and uses them sparingly. Mostly. Sometimes.
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Sister, you're getting older and weirder in roughly equal measure. Happy birthday to both processes.
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Happy birthday — sharing a childhood with you was chaotic, expensive, and absolutely worth every minute.
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Sister, happy birthday — you've grown up nicely, despite all available evidence from when we were eight.
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Happy birthday to the sister who taught me to lie convincingly to our parents. A life skill, truly.
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Sister, you're another year wiser, but I remain unconvinced. Happy birthday to the project regardless.
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Happy birthday — you stole my toys, my clothes, and occasionally my friends, and I forgive you mostly.
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Sister, happy birthday — you're proof that genetics has a sense of humour and a stubborn streak.
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Happy birthday to the sister whose advice I publicly ignore and privately follow about 70% of the time.
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Sister, you're aging like a fine cheese — pungent, beloved, slightly intimidating. Happy birthday.
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Happy birthday — you remain the sibling least likely to embarrass me in public, but only marginally.
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Sister, happy birthday — the only person who could rat me out to Mum but mostly chose not to.
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Happy birthday to my first roommate, first rival, first reluctant ally. Older now, mostly the same.
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Sister, you're another year older and still hogging the family group chat. Some things never improve. Happy birthday.
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Happy birthday — you were born to ruin my only-child plans and you've been ruining them spectacularly ever since.
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Sister, happy birthday — congratulations on another year of being slightly taller than me and never letting it go.
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Happy birthday to the sister who's seen me at my worst and still answers the phone. Mostly on the third ring.
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Sister, you're growing up suspiciously well — I expected worse outcomes by now. Happy birthday, you overachiever.