An asshole, wanting to leave at inappropriate times especially when everyone just arrives. Hook up with girls then get grounded just so then you don't have to talk to her. Exposing can include exposing the whiteness of one's thighs at inappropriate times even though no one wants to see them.
Guy 1: Dude this party rapes i can't wait to get so shit housed.
Kleidorf: No this party fuckin sucks, let's get the fuck out of here.
Girl with large forehead: Hey you never called me last night.
Kleidorf: Fuck off loser I'm grounded.