When you have a girl on her back with her legs over head, with her asshole gaped. You dip your ball sack into her welcoming hole.
Yo dude, you shoulda seen this girl last night, let me hit her with the Battersea Slam Dunk
Newly popularised term meaning the same as “hammered”, “leathered” or “plastered”
Person 1 : jeez, what happened last night dude??
Person 2 : you probably don’t remember, you were slam dunk drunk
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.