by faenface October 06, 2008

Kill Stealing Fuck. Someone who either kill steal's habitually or kill steal's something that is worth a large amount of XP.
(Guy2 smashes into the dungeon you have been fighting though for hours and kills the boss)
Guy1: "Guy2 is such a ksf!"
Guy1: "Guy2 is such a ksf!"
by awesome gamr February 24, 2010

by levi (ksf) (real) January 03, 2022
