Definitions by M.U.B.

MUB

Most Useless Bastard - a person who can literally fucks up everything he/she touches. Useless, a moron, a person who is just generally a loser or a person with the intelligence of a fuckin rock

Oh yeah Rusty? That guys a fuckin MUB. .... Quit being a MUB, and pull your head out of your ass!

MUB by M.U.B. September 28, 2021