Green’s Dictionary of Slang

kevork v.

[Jack Kevorkian (b. 1928), US doctor who assisted patients to commit suicide and was imprisoned from 1999 to 2007]

to kill.

Online Sl. Dict. 🌐 kevork v 1. to kill. Etymology: from the last name of Jack Kevorkian, a doctor in the United States who helps patients commit suicide.
[US]Hope College ‘Dict. of New Terms’ 🌐 kevork v. tr. and intr. To do away with, terminate. ‘Go kevork yourself.’ ‘Are you out of your kevorking mind?’.