Top Definition
when a male free baller is wearing gym shorts or sweat pants, and sways back and forth some what quickly and repeatedly (rockin the hips in a back and forth motion)...(thrusting motion) so the male package slaps against the crotch of the trowsers and is visible to everyone and anyone standing around.
mayne, i saw this breezy and just had to gangsta flop right behind her. yeah...she felt it
by david carl joneseses July 08, 2006

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