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 

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

K.O. kbye 

You just been roasted so I’m gonna leave before you can think of a come back

Your mom likes deez nuts Hahaha K.O. Kbye bitch

K.O. kbye by Dr.T_fame February 18, 2019

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.C.B 

King Of Cock Blocking >>>

guy1: hey you better watch your girl
guy2: Why ?
guy1: cuz im the K.O.C.B tonight b****

K.O.C.B by FJN May 21, 2011

k-o-l-t 

it stands for knock you out like talia . Used in a playful warning.

You better sit down somewhere before I k-o-l-t you

k-o-l-t by bruh_itz_taliak December 17, 2017

K.O.B 

kids on bikes

Look at those K.O.B's.

Yea, they think their so cool.

K.O.B by coolioj January 13, 2009