Killing someone, usually in a game, without causing any kind of alarm, either to the victim or to the anyone else in the area. These are most used in stealth-um-up games such as Splinter Cell, Hitman, or Tenchu.
by NetFreak May 28, 2006

Attacking a mob in a MMORPGthat has already been engaged in combat. Usually for the purpose of obtaining looting rights over another individual or group.
Often a tactic used by a griefer to annoy other players.
Often a tactic used by a griefer to annoy other players.
You tried to kill-steal Peter Lee again, but failed miserably.
That guild of griefers keeps trying to kill-steal when we spawn mercs.
That guild of griefers keeps trying to kill-steal when we spawn mercs.
by camb November 18, 2003

Sometimes guys get in a circle and all kill goethe ont a biscuit, the first and last guys to kill goethe must split the biscuit in half and eat it.
Sorry I'm late for the raid, I was killing Goethe.
Sorry I'm late for the raid, I was killing Goethe.
by Maroki June 24, 2006

Guy #1: So then Niko shot him in the legs and then he took out a bat and-
Guy #2: Dude, isn't that a bit over kill?
Guy #2: Dude, isn't that a bit over kill?
by MyNameWouldBeBen August 20, 2008

When one is playing a competitive video game and two people kill each other at the same time. The term orginates from the video game GoldenEye 007 for the Wii where it was common for that type of kill to happen, with both players killing each other.
by Not WindowsApples January 11, 2015

Killing someone (usually in a book or movie) to deceive your dark overlord that you are they're ultimate agent.
by joey is a hoey May 5, 2016

by itsthesherf January 3, 2010
