When you stuff your balls in your partners ass
I gave your mom a Kansas City Slam Dunk last night!
by Jarrelli November 14, 2008
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This is the act of taking a shovel to scoop up a steaming pile of dog shit from your driveway, in order to relocate it so your shoes don't get shitty. After scooping up the dog shit, you throw it from across the driveway and hit the backboard of your basketball hoop.

If successful, at least one big turd will stick to the top right of the backboard.
"In order to save my Nike Airs, I did a third world slam dunk at the buzzer."
by Glimpze740 July 11, 2008
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A Portuguese Codfish Slam Dunk is an incredible, but elaborate act, that involves the consent of both male and female partners.
It begins with the male performing anal sex with the female, finishing inside of her ass, and then using his bare hands to expand her anus hole, proceeding to pour fresh seawater (simply water with salt added to it afterwards works), into it, making a flesh bowl of semen and salty water. The male then proceeds to fit an entire codfish inside of the female's anus, shoving it in as far as possible, and shitting all over the codfish, pulling it out, and feeding it to the female.
Luke: Hey guess what I did yesterday with my girl?
Mike: What'd you do, man?
Luke: I gave that bitch a Portuguese Codfish Slam Dunk Chocolate Soup!
Mike: Damn, I wish mine would let me try that with her!
by Furgieman December 29, 2016
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The act of slamming a woman's breast up and then back down quickly as if makeing a slam dunk.
Karla came up to me with her humongous breast and I slam dunked them.
by Bestmanaliveeveronearth March 17, 2016
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During sex, the man jumps and lands with his penis in the womans vagina.
"Hey man, i heard jacob Slam Dunked his girl last night!"
"Holy Shit, is she ok?"
by MahNiggaJohn June 18, 2019
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