Definitions by TheLucky1

Beast 

An ex-lover and/or girlfriend, wife, or other relationship in which the female no longer plays a positive role in your life.

Guy 1: Hey, guess who I saw the other day.
Guy 2: Who?
Guy 1: The Beast.
Guy 2: Really? I haven't seen my beast in a while.

OR

Boy do I feel sorry for the guy who's beast I had sex with last night! She's a keeper!

Beast by TheLucky1 September 15, 2011