Lower Decker

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.

"This school dance sucks!, i'm going to take a lower decker in the bathroom."

by Papa Panda January 2, 2012

lower decker

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.

"Dude, I totally did a lower decker in the men's bathroom."

by simechkr May 12, 2006

Lower Decker Knacker Jacker

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.

by baabaam May 14, 2022

lower decking

the opposite of upper decking

to drop a deuce in someones fountain, were the pump is in the bottom, so that it recirculates shit water

Dude, tonight we're lower decking that taint block next door!

by MSTNG45 May 18, 2007

lower decker

Taking a shit in a litter box.

I could not make it to the bathroom so I had to pull a lower decker in your cat's litterbox.

by Jimmy's Bottle August 1, 2016

Lower Decky Steamer

When you tape the entire toilet seat leaving one whole for you to poop down. You sit down backwards and you push as hard as you can while whistling steam boat Willie.

I heard Wilson taking a fat lower decky steamer during our lunch break earlier.

by George_Clooney1 February 4, 2025

lower decker

The inverse of an upper decker. The act of unbolting and lifting a toilet from the floor and shitting directly into the flange pipe. An upper decker is an annoyance. A lower decker is a deliberate act of sabotage.

Yo we out! I just dropped a lower decker!

by fentshaman January 12, 2026