What is Clappin'?
1.
"Clappin" is the act of having sexual relations with another person. This Word was originally used by metalheads from Berkeley California. See O.G. Bootyclap
"Dude, Tyler's Clappin' on that fat chick."
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2.
Out of date or worn out, usually to describe attire or accessories. Also means tired out.
As in "man, my tracksuit is clappin'. Gotta get down JJB Sport and buy a new one."
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