upper deck

When you drop a duece in the tank instead of the bowl.

I upper decked the shitter at Lincoln Station.

by Ben Johnson June 17, 2003

upper deck

When you take the top off a toilet and shit in it so and replace it so when the next victim flushe's instead of becoming clean it fill's up with shit..

This dude pissed my off so I gave him the ol' upper deck..

by Dave buttox May 5, 2004

The upper deck

The act of defecation into the tank above someone else's toilet.

"Dude, Jill told me to leave, so before I went, I gave her the upper deck."

by Jason Spires April 19, 2004

upper deck

Where you go to someone's house, shit in the tank part of the toilet. the shit in there starts rotting, and starts smelling up the bathroom, and people don't know where the smell is coming from because they never look in the tank part of the toilet.

I took a crap in CJ's Top Tank and left him a Upper Deck he will never forget.

by William Wood August 9, 2005

upper deck

The act of excreating a log of fecal matter in upper deck tank of a toilet.
Usually as a prank or in desperate need if the toilet is plugged or dirty.

I took a shit in my friends upper deck and it stunk up the bathroom.

by Anthony April 16, 2004

upper deck

depositing your fecal matter in the tank of an adversary or foe.

That guy Jimmy threw a party last week. He tried to kick me out, so I upper decked his ass. Then I wiped some shit in his bedspread. I hate that jerk, but he straight got shitowned!

by Jake Fischer March 3, 2005

UPPER DECK

takin the top off a toilet tank and shitting in it and placing the top back on the tank and walking away

i went to my friends house and used his bathroom and gave him an upper deck

by DAVE AND CLARK May 8, 2008