When my sister turned 21, I gave her a gag gift. I had another, nicer gift set aside as well, but first I gave her a beer koozie and acted like that was her big present.
It wasn't just any beer koozie, either. It was a dirty white American flag beer koozie, with fingerprints on the outside and a bunch of dust and hair on the inside. As beer koozies go, it sucked the big one.
My sister's face fell when she unwrapped it, but because she's a sweet girl, she quickly recovered and squealed with delight as she thanked me: Awwwwwwww! At the time, I was greatly amused and also a little insulted that she actually thought I would try to pass that off as a great gift.
In retrospect, it was a stupid joke, and also kind of a mean one. The really bad part is that I can never trust her reaction to my gifts again, and now I'll never know for sure if she honestly likes the fancy hairdryer I gave her for her birthday last night.
Well, I hope she did because she's an excellent sister who deserves good things. Happy birthday, Jill! You're my very favorite sister of all.