slam-dunk

A slam-dunk hit is a smash hit.

The film 'Avatar' was a slam-dunk hit.

by uttam maharjan August 29, 2010

Slam-dunk

To shag

She definitely wants slam-dunking.

Yeah, we slam-dunked

I'm gna slam-dunk that

by megamegamegamega December 4, 2010

Slam-Dunk

To forcefully "slam" a dildo into a vagina (or anus) *note- only a soft dildo can be used for the slam-dunk to take full effect.

Guy 1-"I totally slam-dunked that chick last night man"
Guy 2- "better not of used glass ;)"

by fishtits December 13, 2014

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

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 July 23, 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

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