The fecal stained portion of the back part of a toilet seat, usually a trapezoidal imprint from the butt crack of an obese person. The physics of how feces travels up the crack is best left a mystery...
I went to use the rest room and was forced to try a stall on another floor to avoid cleaning the 'sheat shmear' from the toilet.
by Elisecruz May 1, 2010