Slam Dunk

when she bounces your balls like a basketball, slams it with a hammer.
thus leading the balls to bounce of the human to the floor

"lemme play 2k, I need to do a slam dunk"

by HueHefner tha goat December 10, 2017

Slam Dunk

When you get wif a gurl and get to 3rd base on the first date.

"Hey man did you slam dunk Charlotte last night?"
"Yea man I fucked her right in the pussy"

by Zedopotomus March 12, 2016

Slam-dunk

It pretty much means "awesome" or "cool" or "radical" (when I use the word or phrase anyway)
You (or I rather) use slam-dunkafter a word like "cool".

(Just really wanted to put a word I use "as a joke" rather on this website so... yeah)

WOAH!!! Radical , slam-dunk am I right?

by Data ok March 8, 2017

Slam Dunk In The Trunk

A sex move where one person shoves a basketball into another persons ass.

Steve: I gave my gf a Slam Dunk In The Trunk last night!
Bruce: Wow you fit the whole ball in there?
Steve: Yeah I made it work.

by Ya boi Sero June 21, 2022