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2.
to play your 12" or bigger at peak volume so that your eardrums are about to explode,to make sure that everyone around you can hear you even from a block away especially those chicken heads.
wayne was thumpin his music so loud that amy(chicken head) came over and then wanted his cock
by Mike.N October 25, 2006
 
1.
Loud, and or good sounding.
Man these speakers are THUMPIN
by thumpin master March 16, 2005