Top Definition
When you eat peanut butter and it gets stuck on your teeth and in your throat, then you try to say something and it's pretty hard because of all the peanut butter.
Tina: Hey, what's up?
Bo: Mmmmm Bmmymmm
Tina: Huh?
Bo: Bmmmymmm mmmmm
Tina: Oh, lol, you have a bad case of the butteryappers!
by Becky May 18, 2005

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