One participant is sitting on the upper deck of a Toto Toilet while your partner is sitting on the lower deck; with the seat warmer on and the water blasting against their genitals. The upper decker is receiving Fellatio while both parties are passing a Cleveland steamer.
Guy 1: Gawd! Julia is such a basic bitch, i cannot stand her.
Guy 2: Sure, but at least her parents are rich enough to afford a Toto Toilet.
Guy 1: So?
Guy 2: She totally gave me a Steamy Upper Decker, Double wet Blumpkin
Guy 1: Legendary!
Guy 2: Sure, but at least her parents are rich enough to afford a Toto Toilet.
Guy 1: So?
Guy 2: She totally gave me a Steamy Upper Decker, Double wet Blumpkin
Guy 1: Legendary!
by Throbbin-Rockin-Rod January 24, 2018

The act of, in this very exact particular order: finding a sexual partner and take them to eat a substantial amount of Taco Bell with you. When you both inevitably need to take a diarrhea shit, do it at the same time, with the submissive sitting on the bowl and the dominant sitting on the opened top tank. During the shit, the submissive will perform oral sex on the dominant. When the dominant finishes on the submissive’s face, they must punch the submissive in the nose to create a mixed fluid of blood and ejaculate on their face. Once both parties complete their shit. They will perform a reverse sixty nine on each other until both anuses are clean. Then the dominant must lick the submissive’s face clean.
Man 1: hey bro, why did you break up with your girlfriend? She seemed really nice.
Man 2: nah bro, she was so selfish, she wouldn’t even do a kentucky jelly doighnut upper decker double blumpkin supreme with me!
Man 1: oh man, I didn’t know that, what a selfish bitch!
Man 2: nah bro, she was so selfish, she wouldn’t even do a kentucky jelly doighnut upper decker double blumpkin supreme with me!
Man 1: oh man, I didn’t know that, what a selfish bitch!
by Dr. Heinz Doof August 29, 2021

by ROBOPANDA May 7, 2011

by bonelesspizza January 29, 2017

When a guy is peeing in a urinal while another is peeing in between his legs. (In a heterosexual manner)
by Maddoxault September 7, 2023

where you receive oral sex while shitting in the top part of the toilet while the other party shits on the bottom
while I was taking a upper Decker she caught me and sat down to double decker me before I could finish.
by anonymous May 30, 2024

The act of two people pooping on the same toilet at the same time.
This typically requires one person to sit on the toilet seat as usual, and the second person to sit on their lap, using the legs of the first person as a toilet seat and aiming for the gap between the legs.
This typically requires one person to sit on the toilet seat as usual, and the second person to sit on their lap, using the legs of the first person as a toilet seat and aiming for the gap between the legs.
“There is nothing Gay about a Galveston Double Decker”
“It was an emergency and there was only one toilet, so we pulled off a Galveston Double Decker”
“It was an emergency and there was only one toilet, so we pulled off a Galveston Double Decker”
by HankFinkle January 18, 2024
