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To be cheeky or rude to a person in a direct or pointed way.
Guy 1: Watch as I sassassinate this other guy.
Guy 2: Okay.
Guy 1 (to Guy 3): Dang your face is ugly. I bet even your mum has issues loving you.
Guy 3 cries.
Guy 2: Oh man, you sassassinated him!
by jellybeansoup December 06, 2011
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