søk opp hvilket som helst ord, som plopping:
 
1.
v. The leaving of fecal matter in the tank of ones toilet, turning the water brown. Primarily done as revenge or a drunken practical joke, but sometimes in an emergency when the bowl is clogged.

n. The shit that is left in tank during such an act.
I got so wasted last night I upper decked Sean, his bathroom is going to stink for weeks.
av Lama 8. mars 2003
 
2.
When you drop a duece in the tank instead of the bowl.
I upper decked the shitter at Lincoln Station.
av Ben Johnson 17. juni 2003
 
3.
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..
av Dave Buttox 5. mai 2004
 
4.
When you remove the upper lid of the toilet and shit in the tank.
Tommy shammed Bobby last night. So tonight Bobbys giving Tommy an upperdeck!
av Squeegie Bandit 22. mai 2008
 
5.
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.
av William Wood 19. juli 2005
 
6.
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.
av Anthony 16. april 2004
 
7.
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!
av Jake Fischer 3. mars 2005