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36.
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.
dodane przez David C sierpień 12, 2005
 
37.
Unleashing the biggest load of crap in the top portion of the toilet.
"I wasn't able to get a beer at this party, so I took it upon myself to give him an upper decker in the toilet".
dodane przez mark abestin grudzień 18, 2003
 
38.
to leave a nice steaming terd on the toilet seat, enhancing the savory odor for the next user of the john; especially irritating to females, dudes not so much. Not to be confused with a Back Door Bandit which involves removing the lid of the reservoir tank and much better balance
eww, gross!!! some fuckwad left a upper decker in there!!!!! take me somewhere to tinkle, dammit!!
dodane przez coldbowl maj 17, 2007
 
39.
To put toilet paper over someone elses poo when the toilet is clogged and then take a shit on top of the original poo.
I shit on eric's poo because he clogged the toilet and there was nowhere else to go.
dodane przez grind styczeń 16, 2004