The unconfortable itchy feeling in the anus usually after a terrible wiping experience
Brock: So how'd that deuce go?

Pierce: Awful, it was one of those craps that took 150 wipes. My anus will be itching in no time

Brock: That sucks, your gonna get butt rot
by BS Man February 12, 2006
Get the butt rot mug.
When you have been sat down for too long and your arse starts to feel numb/sore

I've been sitting down for 10 hours straight and I have a serious case of Butt rot :/

by Tecviper May 24, 2003
Get the Butt Rot mug.