The act of punching the asshole of another person, usually as a surprise attack or otherwise a torture.
by Anonymous August 26, 2003

George Tenet told Congress that it was a "slam dunk" certainty that Saddam had weapons, because technically slam dunk doesn't mean anything when applied to a true/false statement. (Also see Perjury)
by Stinky Weazaltits March 25, 2007

when you’re having sex with someone and right as you’re about to cum, you pull out and release into your hand. you then take that hand and smack your partner on the stomach, nutin hand.
by Garrett’s jamaican buttercup May 14, 2018

by michael foolsley November 24, 2009

The male climbs atop a wardrobe or similar tall object, the female lies face down with her arse protuding in the air. The male then leaps off and attempts to engage his cock with the female arse. points can be obtained if the male actually achieves this. Extra bonus if he can smack the back of her head whilst landing.
Geoff:"I'm-a slam dunking you Terri"
Toni: "I'm lubed up to smoothen the entry"
Geoff: "Don't matter, I'm gonna knock you out anyway, cunt"
Toni: "You fucking wanker!"
Toni: "I'm lubed up to smoothen the entry"
Geoff: "Don't matter, I'm gonna knock you out anyway, cunt"
Toni: "You fucking wanker!"
by John Lidgley May 23, 2008

Shortly after a woman gives birth, a witness in the room proceeds to palm the baby's head and redirects the newly born baby back into the womb.
Father, about his newly born child: I was really quite surprised when the obstetrician slam dunked little Maxwell.
by Jackie Peterpants March 18, 2010

On 20/20 w/ barbara walters there was a segment in which it depicted rest-home staff who would pick-up geriactric patients and roughly throw or "slam-dunk" them onto their beds. the "game" had an actual point system to it and ways for fellow co-workers to compete and score points as if it was an actual basketball game.
by phuzz September 28, 2006
