totally intoxicated
unable to stand / speak
short for "knocked out"
that boy drank too much - he's k.o.
to go to sleep (to "knock out")
n00b: okies, itz gettin l8, im gunna KO ^_^ 99!!!!!11
a seriously sexy female. A tragic muse that you can't help but worship.
if you're talking to your special someone and all they say is "ok" change it up and say "ko" means the exact same.
gilinsky: hey I saw one of the girls from school at the store today.
maggie: ok.
gilinsky: she smiled at me.
maggie: ok.
gilinsky: is "ok" all you're going to say?
maggie: ko