1. The high-percentage shot in basketball. Performed by stuffing the ball down through the rim, and generally done with some force. Can be done in a number of creative ways. Sometimes shortened to just dunk.
2. a sure thing, even money, in the bag
3. what they said
1. Shaq did a slam dunk, hung on the rim, and shattered the glass.
2. Don't worry about it; it's a slam dunk!
3. same as above
by fizzle April 11, 2004
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A term coined by former Black Isle Studio head Feargus Urquhart to refer to a video game (or, in general, any product) that can be designed quickly and then sold for a profit.
So that I could retain as much of Black Isle as I could, I had to come up with a project that could be finished relatively quickly and was a slam dunk with very little to no risk of it getting done on time. That project is the Monroe project (a.k.a. Icewind Dale II) which we are announcing within the week.
by Slithe March 31, 2011
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the act of going up to a girl with big tits or a guy with man boobs and slapping the tit once on the bottom and quickly then slapping the top of the tit.
He totally slam dunk - ed her in the hallway, and she totally slamdunked his tits too
by dstreb May 18, 2011
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When you are having sex and you shove your balls in along with your penis.
Can I give you a "slam dunk" this time babe?
by Chim Robely May 15, 2008
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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 15, 2011
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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
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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 July 28, 2007
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