Top Definition
Acronym for "up your butt with a coconut"

It sounds kind of stupid when you say it to someone, mostly because they usually don't know what you're talking about and probably think that you're a retard. Once you explain what it means you'll probably get your ass kicked.
Bob - "Uybwac, and wyai (while you're at it) you can gfym (go fuck your mother) yddb (you dirty dooshbag)!"

Johnson - "Igbyamf (I'm gonna beat yo' ass beotch)!"
by Dr. Todd Fuquad PhD March 16, 2007

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