The act of taking a poop, in which you know you pooped, however, there is nothing in the toilet bowl to flush except the bum wipe.
by Poohzie May 28, 2009
to go into a freshly cleaned public restroom, dropping a fat deuce, not flushing, and exiting the restroom unidentified.
by TheMysteryPooper December 29, 2010
Someone took a dump in the toilet and there is just poop floating, no toilet paper. It’s a mystery poop.
by Stanovich June 30, 2020
After performing the act of dropping a deuce, refers to the absence of leftover feces about the buttocks. Therefore, leaving nothing behind to wipe. It's a mystery.
by Long-Dong Silver September 16, 2008