by K and M Pimpius August 28, 2006
Random acts of Duncan. Everybody knows a dude named Duncan that is wildly unpredictable. A "Slam Dunk" is an action, or an opinion, that is not beneficial to society. Slam Dunks are usually ridiculed for being so out of place and detrimental to a good time (ie: parties, epic Facebook threads, and conversations), but have been known to produce laughs. In general, Slam Dunks are usually a bad thing.
In speech, "Slam Dunk" is usually used before or after the word "Bitch"
In speech, "Slam Dunk" is usually used before or after the word "Bitch"
Dude 1: "We had this post on our Facebook group. It had a thousand comments on it, but Duncan deleted it"
Dude 2: "What!? Why'd you do it, man?"
Duncan: "It was my post bitch... Slam Dunk!"
Dude 1: "Did Duncan just walk through the drive-thru?"
Dude 2: "Yes sir... Slam Dunk"
Dude 1: "Hey Duncan, How was Spring Break?"
Duncan: "Well, I don't remember half of it, so.... Slam Dunk, bitch"
Dude 2: "What!? Why'd you do it, man?"
Duncan: "It was my post bitch... Slam Dunk!"
Dude 1: "Did Duncan just walk through the drive-thru?"
Dude 2: "Yes sir... Slam Dunk"
Dude 1: "Hey Duncan, How was Spring Break?"
Duncan: "Well, I don't remember half of it, so.... Slam Dunk, bitch"
by W3B5T3R April 16, 2013
The act of punching the asshole of another person, usually as a surprise attack or otherwise a torture.
by Anonymous August 27, 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 21, 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.
Only real relationships have performed The Slam Dunk.
by Garrett’s jamaican buttercup March 22, 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