by blackhawk357 February 14, 2008

A type of shit that leaves you speculating whether you actually had one because:
A) It went down the U-Bend so went you look you can't see it.
B) The tissue is clean when you wipe
Both these together result in a double mystery and leave yourself questioning your own sanity.
A) It went down the U-Bend so went you look you can't see it.
B) The tissue is clean when you wipe
Both these together result in a double mystery and leave yourself questioning your own sanity.
Person 1: I just took a double mystery.
Person 2: How'd you know, you could have just thought you had a shit?
Person 2: How'd you know, you could have just thought you had a shit?
by OndaLash July 18, 2011

mystery fish is another word for a gross vagina. Its any girl that has been around and possibly contracted an std. You have no clue where she has been or who she has been with, therefore she could be called "mystery fish"
by hcmhcxmc March 9, 2008

Several drugs combined into one line. Many times you don't know what the drugs are, hence the title.
by Alexis Poe December 24, 2008

A unknown cheese-like substance that resides beneath the unwashed foreskin that has a gestation period of of 3 to 5 days. Can be spread or dipped. Synon: smegma.
by Dr. Felchenstien May 24, 2004

by Richard Kopf December 22, 2007

A mystery blowjob is getting your dick sucked when you put your cock through the hole in the partition wall at the gloryholes.
by USAF Cadet October 10, 2020
