Somebody who is complete different from their steroypes.
Like for example an Asian who acts completely white.
Or a White guy who acts like a gangster
Or a Black guy who acts white
Guy 2"Yeah what a twinkie."
Asian Poost "Hey I find that word offensive."
Guy 1" So what should we call you then?'
Asian Poost "P.O.O.S.T"
Guy 1 "God I hate that white kid who acts like a gangster wannabe."
Guy 2 "I know! He's such a P.O.O.S.T"
2. "Sorry, Harvey, but you do, in fact have thyroid cancer. Additionally, you are deaf now for reasons unbeknownst to modern medical science." "Aw, poost."