Definition from Wiktionary, the free dictionary
KS (“kill steal”) + -er
KSer (plural KSers)
- (online gaming, pejorative) Abbreviation of kill stealer.
1999 October 4, Laquiche, Sylvain, “Respect”, alt.games.everquest, Usenet:
- If a player saves your butt from a MEAN monster because HE thought you couldn't make it alone, don't call him a KSer
2000 May 31, Grinsell, Patrick, “Re: Kill Stealing”, rec.games.computer.everquest, Usenet:
- I have recently switched over to a wizard and have yet to lose a kill to a KSer.