Top definition
A dangerous combination of fart and wet shits, often starting as abundant gas that rapidly transitions into lumpy diarrhea. Victims require an immediate change of underpants.
Ahhh! I just shat myself! That fart was gasarrhea! I need an underoo change STAT!
by buddy love? February 13, 2008
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2
Hell no will I get in the car with you and your gasarrhea!
by mestisa July 01, 2010
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