A word to call somebody when you have no idea what else to call them.

It usually infers that the person being called it has Vagina Balls, a visile-through-pants Fire-Crotch, or just looks funny
"LOL! I JUST TOTALLY PWN$DUNGRFGT"
"...go play with your poo, gafgaf."
by O'Day-Smith August 2, 2008
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