"Brah, are they playing gotta jiboo again? Gawd I'm gonna smoke some sourD then take an Upper Decker'
by MomoDanceSkunkPusky October 18, 2021

Dude: im going to take an upper decker in burger kings toilet.
(Dude upper decks BK)
Later someone takes a piss and flushes toilet: what the!
(Dude upper decks BK)
Later someone takes a piss and flushes toilet: what the!
by mountain high mush September 13, 2014

A dude sits atop the toilet tank and craps in it, facing forward. A woman (or man, I guess...) sits on the toilet backwards and also crals as s/he performs oral sex on the guy seated atop the tank.
What were you two doing in the bathroom so long?
I expelled every fluid imaginable thanks to getting an upper-decker double blumpkin.
I expelled every fluid imaginable thanks to getting an upper-decker double blumpkin.
by Terry O'Raynis April 4, 2023

Perform an upper decker whilst your best friend shits in the bowl part of the toilet
15+ years friendship recommended, but not requires
15+ years friendship recommended, but not requires
by Badbtchfr April 11, 2022

Chicago slang for whipping out the rumpus maximus, doing a fruity little dance with your tooter, and shitting on one's roof.
Guy 1: he did an upper decker on my roof.
Guy 2: ewww man gross. Give him a Chicago sunroof
Guy 1: yeah I will, gotta get my gut going first though. Wanna get some deep dish pizza?
Guy 2: ewww man gross. Give him a Chicago sunroof
Guy 1: yeah I will, gotta get my gut going first though. Wanna get some deep dish pizza?
by very stinchy vagina master May 29, 2024

by Γρεεκ φεμβοΥ November 26, 2024
