piss shnart

When you sneeze so hard you pee yourself and shit yourself.

(Pre-tense) piss shnart
(Present-tense) piss shnart
(Post -tense) piss shnarted

Person one: "achoo! Pfffffft! Oh no"
Person two: "Fuck dude, you ok?"
Person one: "no, I just piss shnarted "