Top Definition
Any person who kills a Kit-Kat, wether intentionally or accidentally. Usually hated by everybody.
Person 1: OMG, YOU STEPPED ON MY KIT KAT!!!!

Person 2: KIT-KAT KILLER!!!!!!! I HATE YOU.
Kit kat killer: Oh, sorry guys.
Person 1: GO DIE IN A HOLE KIT-KAT KILLER!
Kit-Kat killer is now hated for the rest of their time on earth.
by Taco lover24 June 06, 2011

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