slam dunk

the act of shitting in your hand and inserting said piece of faeces into the gaping mouth of a bystander, best served to a person you have a beef with.

Dude, I just slam dunked Cheryl. She deserved it.

by VenusFigure December 16, 2011

Slam Dunk

To masturbate into your hand and then dunk onto someone's head, back, face, etc.

Dude! I totally slam dunked Sally in the face. It was awesome!

by J. Lee18 January 7, 2009

slam dunk

the art of masturbating in front of your girlfriend, who then has to jump and land open mouthed on your penis. she scores more points if no semen escapes.

my girlfriend slam dunked me good last night, we're thinking of going professional

by chimpypete February 8, 2008

Slam Dunk

The act of sticking X pills in ur asshole to start rolling.

so you saying im gay because i slam dunk beans in my ass.That shit make me roll HHAARRDD!!!!!

by Shawn Hoover April 30, 2009

Slam Dunk

The act of forcing a woman's head into the toilet while slamming her either doggy style or in the ass. The head dunk is usually accomanied by a flush or two.

After we gang banged the girl we met at the club, I took her aside for some alone time in the bathroom and gave her a slam dunk.

by Raw Doggie September 15, 2003

slam dunk

The act of placing one's testicles into a woman's anus during intercourse. Generally, this occurs without the woman's knowledge.

Man: Dude, last night I was banging this broad and then I went for the slam dunk and made her scream! It was fucking funny.
Friend: Damn. You should have donkey punched her too.

by bojanglesmchuffington August 3, 2007

slam dunk

Something that will definitely possibly maybe have a possible slight chance of occurring.

It is a slam dunk that the Clippers will win the NBA title.

by BlazingBolt May 13, 2005