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1 definition by Perfek360

when railing a girl, that does not whipe her ass good, your balls slap against her pooper causing them to get shit on them. thus resulting in shit stained balls
i was pounding the shit outa sussy smelly crotch so hard last night that my balls were slapping against her butthole. man talk about a bad case of the shit stained balls.
by Perfek360 July 21, 2006