1. Any burly, disgusting female who is inappropriately loud, bold, and brash.
2. The one fat friend among a group of girls.
3. Gross fat bitch- can be mean.
Dude1: That fat bitch Sarah stumbled over last night, begged Steve for some wang, and then pissed herself in the corner.
Dude2: Hurt, man. What a fucking bosshog.