What is Butt-on?
1.
when one person pulls down thier pants and underwear and places their buttcheeks on an unsuspecting person's face.
Pierre is sleeping and abe pulls down his pants revealing his butt and puts a peanut butter jelly sandwich in his butt crack and sits on pierre's face giving him a pbj butt-on
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1.
An upper class male (Hewden) might be heard saying this when he sees something that he finds crude and immature.
It is derrived from th..