A pain in the stomach from an immense need to shit. Often used as an excuse to get out of doing things, in a way it's almost like the male version of period pain.

someone who is sexy beyond mean

A type of mushroom that tastes so much like shit, it causes actual physical pain

Known as coproellis fungi in Latin...

Where you have to take a shot so bad your crotch hurts

Where you have to poop so bad your crotch hurts

If you give a girl (or a guy) an ass rimming, and you've opened their anal cavity so far, what you will have once you are done is a circle of shit around your face and chin. This is whats known as a shitache. (Like a mustache, but made from shit)