What is Butt Rust?
1.
The dry rusty colored shit around your asshole when you dont wipe well enough...it really burns and its hurts making it hard to move...it also hurts extremely bad when you take a dump if you already have it...the best way to get rid of it is with some wet TP or paper towels
Dude...i can't move...my butt rust hurts...ahhh it burns
See
2.
It's when you don't wipe your bum good enough after taking a poop. Your bum can get poo crusties and make your asshole itch.
I've got a bad case of butt rust this morning after all that drinking and pooping I did last night. Poop.
3.
The off-brown discoloration inside the undershorts. Butt rust, also known as "skid mark" is usually the result of high pressure farting and / or lack of sufficient wiping of the anus.
"Damn, Frank sure has butt rust on his undies here."
