A particularly menacing type of knife, could also be known as a zombie knife. Often used for gang warfare or knife crime
Yo man have you seen mans new zombie killer it’s huge mate
by Safetypin July 13, 2020
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lindsay: what are they singing
laura: Zygote killer, liar, theif
lindsay: oh, ok

or

guy1: What do you want to be when you grow up?
guy2: A ZYGOTE KILLER!
guy3: Nice.

by Lindsayhahahahhahaha June 07, 2006
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