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To beat the shit out of someone so much that you literally think you're a character in Mortal Kombat. A word so terrifying that even the strongest of the strong piss their pants.
"Bro, im pretty sure she knows I want to fatalisize him. She wouldnt give me directions to his house"

"Oh shit man! He just fatalisized the FUCK outta that dude"
by CodyPierce2476 January 22, 2010
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