the act of a male going jackhammer on a female (when having sex missionary very fast like a 'jackhammer'), then, as soon as the orgasm seems to be present, pull the dick out from the vagina and ejaculate into one's hand and slap the bitch across the face, creating a "cumslap." however, this is considered a "paul bunyan flapjack" when it is jackhammer sex followed by a cumslap to the face.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.