1 definition by chumpfong
A massive bowel movement that bowels out of you much the same way an avalanche slides down a mountain destroying everything in its path.
Guy 1: Dude you blew up the toilet, what did you do in there?
Guy 2: It was an assalanche, what can i say?
Guy 2: It was an assalanche, what can i say?
by chumpfong July 15, 2009
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