Top Definition
When two guys have sex with eachother by use of a dildo in each one, bent over, back to back, so that the force of them having sex will cause their scrotum's two swing against eachother, making a clapping sound.
Dude, me and Gary were ball clappin' last night like we was on PCP.
by The Joe 82 July 02, 2006
5 Words related to Ball clappin'

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