by MahNiggaJohn June 18, 2019

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.
by fishtits December 13, 2014

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)
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)
by Data ok March 8, 2017

by Vette is a cunt March 21, 2019

when you want to - or are going to have sex with a person or persons. Also can be used in past tense "slam dunked" when you have smashed said person or persons.
boy 1 - look at that thicc girl with dat noice booty
boy 2 - you should totally smash her
boy 1 - hell yeah ma boi I'm about to slam dunk her
boy 1 - look at that group of varsity college volleyball players
boy 2 - holy shit they hella fine
boy 1 - imma slam dunk the shit outta them
boy 1 - did what happened last night?
boy 2 - I slammed dunked her
boy 1 - proud of you
boy 2 - you should totally smash her
boy 1 - hell yeah ma boi I'm about to slam dunk her
boy 1 - look at that group of varsity college volleyball players
boy 2 - holy shit they hella fine
boy 1 - imma slam dunk the shit outta them
boy 1 - did what happened last night?
boy 2 - I slammed dunked her
boy 1 - proud of you
by gvsolt June 4, 2018

by Kevin Booba Rice September 4, 2022

by Bestmanaliveeveronearth July 23, 2016
