To poop "gangsta" style, laying sideways. Most often done by clueless inner city youths who think doing anything on it's side, makes it "gansta"
Also known as punching Sam Walton.
Yo wanna ride wit' us,? Den yo gotta poop right! Pull down dose drawers and Gangsta dump, yo! Flash some gang signs wit yo toes!
by Boink Farnk November 17, 2009
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