A toilet prank, whereby someone defecates in the refill tank (water closet), causing each additional flush to deliver brown, poopy water into the bowl.
Jim was being such a jerk at his party, so I went upstairs to his bathroom and dropped an upper decker in his toilet.
by bodythunder December 9, 2008
Get the Upper Decker mug.A variation of the cunnilumpkin in which a woman receives cunnilingus while she deposits feces into the upper tank of a toilet. This is the female version of the blumpkin decker, and is far more difficult.
A combination of the cunnilumpkin and an upper decker.
A combination of the cunnilumpkin and an upper decker.
The hostess of the luncheon offended Mary and in turn embarrased her husband, so the two of them snuck off to the master bathroom did a shameless cunnilumpkin decker.
by Mental Pickpocket October 30, 2004
Get the Cunnilumpkin Decker mug.Related Words
by Jincks, the owner of your souls October 5, 2003
Get the black-n-decker pecker wrecker mug.When attending a persons home of who you dislike, take a shit in the toliet tank instead of the bowl. This is by far going out of the park and into the upperdeck where it will not be known until long after you depart their house.
When your wife makes you go to her boss's party who you would like to kill, go to the bathroom and leave him an Upper Decker and you'll know who the joke is really on.
by Noah Burnett May 9, 2006
Get the Upper Decker mug.To take a crap in the tank of someone's toilet and not flush afterwards. When the next person flushes your crap comes rushing into the bowl all broken apart. A lot will clog in the top. This is mean.
by Anonymous April 10, 2003
Get the upper decker mug.Stop that duckery and clean your room.
by Roundeyes July 10, 2007
Get the duckery mug.by Thor November 4, 2004
Get the Black and Decker Pecker Wrecker mug.