"exwhore" aka "x-whore" aka "exclusive whore" comes from the binary function x-or (exclusive or). There's no meaningful connection beween the "or" and the "whore".
by dickheadcumslaughterwhore May 28, 2010
when your friends step in to tell you that you need to get rid of your cheating girlfriend/boyfriend
by Phrancis Sinatra December 1, 2015
Guy 1:Dude, Suzie is totally trying to get with me!
Guy 2: Really? she seems like such a good girl.
Guy 1: She must be an exwhore.
Guy 2: Really? she seems like such a good girl.
Guy 1: She must be an exwhore.
by guywhowritethething February 20, 2017