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Wanna Know a Birthday Secret? Funny Birthday Card for Sister

Wanna Know a Birthday Secret? Funny Birthday Card for Sister

Sisters love sharing secrets, no matter how old they get. And these two golden oldies prove that you can still have fun at any age as long as you hold onto your sense of humor. This is the perfect funny birthday card to send an adult sister who could use a few laughs from someone very close to her.

Card Phrase:

Hey Sis, wanna know a birthday secret? You're only as old as you feel, but you're still older than me! Happy Birthday

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