The act of defecating in a urinal. Commonly done in a old fashioned urinal system in which the water does not flush, leaving a wretched stench and a very unusual surprise for any unsuspecting person who wishes to urinate.
by Papa Panda December 22, 2011
The opposite of the upper decker, which involves leaving a fresh pile of feces on the floor next to the toilet, but none actually in the toilet. The lower decker can be used in many situations, such as the workplace or enemies homes.
by simechkr May 2, 2006
Taking a shit in a litter box.
by Jimmy's Bottle August 2, 2016
Term to define the males undergarments that would typically lift the testicles or gonads. The more effective type are defined as a jock strap
I had a great pair of lower decker knacker jackers on.
His lower decker knacker jackers chaffed his nuts.
His lower decker knacker jackers chaffed his nuts.
by baabaam May 14, 2022