K.O.S. 

Kill On Sight. From games such as World of Warcraft, etc. Means basically marked for death just by showing your face.

Damn, they KOS'd me!
Look out, I think we're KOS!

K.O.S. by offkilter March 23, 2005

k.o.s. 

gaming term meaning Kill On Sight. Basically a wanted add if directed at a single player. Or it can be used to describe another team you would rather kill instead of another.

Dude, he's K.O.S.
ignore green blues are k.o.s

k.o.s. by The_Irish_Jebus (formely known as NukesAgeek) February 22, 2008

k.o.s. 

Knowledge of self. off of the mos def and talib kweli are black star album.

life without knowledge is death in disguise

k.o.s. by The Thief in the Night April 9, 2005

k.o.s. 

Kill on Sight - Popular gaming clan founded in 2003.

Man, I just got pwned by k.o.s.!

k.o.s. has an awesome website at www.kill-on-sight.com

k.o.s. by Dingodan October 22, 2011

K.O.S. 

1. Knowledge of Self: introspection, self-reflection, and self-awareness are important keys towards working on being the best version of yourself, and just a better person in general.
2. A dope, conscious song by Black Star (Mos Def & Talib Kweli).

3. K.O.S. (Determination), song off of Black Star’s 1998 album titled Mos Def & Talib Kweli Are Black Star.

Life without KOS can kill you years before you’re buried.
K.O.S. means developing self -awareness, acknowledging and understanding your struggle, and knowing who you are and your many capabilities.

K.O.S. by Lee!sm June 26, 2020

K O S 

Kill(ed) on sight. Used for a person/group of persons who are banned from an area. If this ban is broken, they will be killed on sight.

U're on KOS. If u ever come here again u will be killed on sight.

K O S by Mau August 2, 2005

K.O.S 

Keep On Striven - One Step at a time never give up. Change the world K.O.S

I Keep it K.O.S Keep On Striven i will never stop pursuing my dreams

K.O.S by Mister K.O.S December 19, 2016