To take a shit in the top of the toilet, therefore when the toilet is flushed, brown water washes the poop down.
"That fuckin bitch wouldn't blow me so I am going to leave her an upper decker"
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(Film Critique). When a movie starts out engaging and has great potential, but then the ending falls apart and the whole thing turns to shit. It's like finding an Upper Decker when you flush your toilet at the end of a party. It's there, and it's shit, you just don't know it yet.
The movie Enemy (2013) was a real Upper Decker.
17๐ 10๐
the act of pooping, in th top resiviour part some someone elses toilet.
I just gave Bills toilet an upper decker.
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When you have a massive deuce that must come out when your at a big party. You remove the top lid to the toilet, and release all the poo into it. When done, put the lid back on, and walk out like nothing happened.
I just put an upper decker in her toilet, HAHA!
There gonna be lookin for that upper decker for weeks,HAHA!
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A modification on the "classic" upper decker. In a public toilet setting (where there are no tanks/commodes), you improvise and shit in the urinal.
When Hank got fired from his job, he pulled an upper decker in the company bathroom.
20๐ 23๐
Besides the common definition... A behemoth, often coiling, mass of stool that grows and grows until finally reaching above the water level of a toilet bowl. Known to be associated with binge eating. Kind of like one of those underwater volcanoes that breaks the ocean surface.
I had the munchies so bad all weekend, btw do you have a plunger I took an upper decker in your shitter and it's backed up.
10๐ 9๐
Taking a shit in the top part or tank of the toilet.
He pissed me off so I did a upper decker in his bathroom.