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.
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The moment when all of the alcohol you drank hits you in the face.

When you fail at something more than another expression can describe.
"Yo bro, I just got SLAM DUNKED by these shots."

"Fuck, I'm going to get slam dunked on my exam tomorrow"
by SlamDunker51 March 05, 2014
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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 10, 2004
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Slam Dunk centers around Hanamichi Sakuragi, who starts as a delinquent outcast, becoming the leader of a gang. Hanamichi, being very unpopular with girls, has been rejected by them fifty times. Yet, he finds out that Haruko Akagi is the girl of his dreams, and is happy when she's not scared of him like all the other girls he has asked out. Haruko Akagi, who recognizes Hanamichi's athleticism, introduces him to the Shohoku basketball team. Hanamichi was reluctant to join the team at first because he had no previous background in any sports and thought that basketball was a game for losers (also because the fiftieth girl rejected him for a basketball player). Sakuragi, despite his immaturity and hot temper, proves to be a natural athlete with potential and joins the team in order to impress Haruko and prove that he is worthy of her. Kaede Rukawa — Sakuragi's bitter rival (both on the basketball court and love, even when Rukawa doesn't acknowledge Haruko's crush on him), the star rookie and a "girl magnet" - joins the team at the same time. Hisashi Mitsui, an ex-junior high school MVP, and Ryota Miyagi, a short but fast player, both also rejoin the team and together these four struggle to complete team captain Takenori Akagi's dream of making Shohoku the national champion. Together, these misfits gain publicity and the once little known Shohoku basketball team becomes an all-star contender in Japan.
Slam Dunk is a sports-themed anime series about a basketball team from Shohoku High School. There are a total of 101 episodes.
by ♫ Highway to Hell ♫ September 04, 2010
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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 17, 2011
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