2 definition by the jackhammer professor

Top Definition
when you fist a girls vagina and ass vigorously
billy was having a good time giving the jackhammer to kimmy until her dad walked in.
by the jackhammer professor May 05, 2009

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you shit in a girls vag and then fuck her and when she quiffs, feces shoots out
tim gave his girlfriend a chili dog and then she feces quiffed
by the jackhammer professor May 06, 2009

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