1 definition by Krusty Krab Rapist

Shit-Ups

To practice the excercise of sitting up will having the feeling of wanting to poop, or doing sit-ups while deficating in the exact spot in which the sit-ups are being performed.

"Randy and I went to the gym and boy did I have a major case of the shit-Ups!"

by Krusty Krab Rapist May 31, 2015