When a guy sticks his penis in a girl's ass right before she goes to the bathroom and pulls it out with shit all over the shaft.
I gave my girlfriend a rust monkey when she had diarrhea one time, it smelled raunchy! brown gladiator
by JomageX April 6, 2011
Get the Rust Monkeymug. by Pnkjamys September 7, 2025
Get the Rust monkeymug.