As with a traditional Upper Decker (where the attacker poops into the reservoir of the victim's toilet), but with the addition of gelatin powder, which, coupled with the cold water temperature and cool porcelain construction of the reservoir, causes allows the mixture to set into a poop jell-o which requires the victim to manually scoop it out
"Hey John, did you hear? someone left Tim an Atomic Upper Decker during the party on friday!"
"Wow, he must have really pissed someone off."
"Wow, he must have really pissed someone off."
by Judge)Mental December 19, 2017
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After I caught an upper decker at Busch Stadium, I went to Dan's house where I left a beefy sewer pickle in the tank of his toilet.
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Get the Decked mug.When you get all horny and shit and you need that somethin' special so you go get a screwdriver. Then you pound your girls ass with it. Afterwards you take that very same screwdriver and use it to build a spice rack. You then give the spicerack to your women. DAMN!
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