One who craps excessively, and or often.
This ussally occurs when you have diarrhea or the shits from food poisoning or gruel from the school cafeteria.
Giving you to be knighted Sir craps a lot, common misconceptions of the nickname are; Sir Shit, Shitty mc shit pants, and Sir blastsofbrownstuffoutyouranus.
Man1- What the hell is that stanky shit smell?
Man2- Sir craps a lot's in the jon taking another crap.