jackhammering

when you're fisting a girl in the vagina and anus at the same time. (i.e. like you're using a jackhammer)
JB: dude, where we're you last night?
Dani: jackhammering yer mam lol
Dani: i got in there right up to the elbows
by unquestioned_answers September 26, 2006
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