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When one takes a shit in the upper portion of the toilet. ( the tank ).
mike was really pissed that the land lord was evicting him. So he left him an upper - decker.
Jim wanted to get back at his best friend Steve for sleeping with his girlfriend, so he left him an upper - decker.
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The act of removing the lid off the back part of a toilet and pooping in it. Poop comes in the bowl over time after flushes. Usually done at big parties that have gone wrong.
The host of that party was so horrible that Andre couldn't resist pulling an upper decker before we left.
117👍 58👎
When someone poops in the top part of a toilet, (the part that you have to take the top off) so when someone else goes to the bathroom and flushes the toilet instead of clean water coming in and filling the toilet, shit water comes in. This is done as a pratical joke, usually done at parties.
Guy 1:Hey I just did that Upper Decker in the toilet upstairs and Jennifer went in there.
Guy 2:Hahahah, what'd she do when she came out?
Guy 1:I don't know, she's still in there!
35👍 18👎
the act of deficating in the water tank of someones restroom, so when they flush, out comes muddy madness
i just left an upper decker in that starbucks bathroom!
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When you go in the TOP tank of the toilet. Best used at a party or with an audience.
Aw, man! Someone pulled an upper decker!
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take a shit in the top of someones toilet (where all the toilet guts are)
Valerie was so drunk she did an upper decker in her friends toilet at the party, and everyone smelt it.
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A long home run ball hit into the upper seats of a baseball stadium.
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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