To ravage the pussy or ass like no other. You succeeded in slam fucking if the reciever is screaming and crying in agony.
Brad - "Man, I'd SLAM FUCK Paris Hilton!"
by AMS May 07, 2005
Wild and vigorous sex done with the intention of putting the other person through the wall. The wall may be literal or metaphorical. The point is to fuck the person hard, deep, and with quick, almost violent strokes. Despite the nature, the slamfuck is usually done with good intentions.
What a freak! Don't go in for that nice and gentle shit. She likes a good, hard slamfucking.
by D.S.Machina October 24, 2006
A hate fuck, but with love.
I slam-fuck'd j00 daddy.
by Carlos March 15, 2005
The act of slamming objects on the floor and against the wall in the area while having sex.
Zach would you ever tell a girl you'd slamfuck her?
by Thomas1234554321 March 12, 2010

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