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3. K.O.
Acronym for the "Super Uber Cool Online Awesomness game" Knight Online. Or can be used o describe someone that plays K.O. entirely too much.
Ex. 1 "I play K.O. all the time... and I have a girlfriend, doesnt that surprise you?"

Ex. 2 "K.O. plays K.O. all the time... and he has the hottest girlfriend on the planet... on the game atleast."
1. K.O.
short form for knock out
see wasted
I friggin K.O.ed that guy man he was wasted.
by wow Dec 1, 2003 add a video
2. K.O.
K.O. is a abbreviation for Kill Opponent.
K.O. is commonly mistaken for Knock Out by naive pokemon game players.
Squirtle! Use Water Gun!

Squirtle has K.O.
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