A fat-assed white chick who dates only black guys.
Black guys have 2 sets of girlfriends. 1. Thier baby mommas, who are usually black and dont take shit from his lazy ass. 2. A usually plump blonde who submits to his every whim, usually paying for his cell-phone bills and driving him around in her red ford tempo while he smokes menthol cigarettes. He is also usually shorter than her, and a real gangsta wannabe. She gets beat around by him on occasion, hence BEATER. EG"Hey, check out that little skinny black dude with that fat-assed white blonde! SHES A BEATER!"