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1. gko
gko means got kicked off, like got kicked off of aol
sorry about that i gko the computer for aminute
by Andrea Pandrea Jul 9, 2005 add a video
2. gko
GKO means you got knocked out by the game killer. The game killer succeded in stoping you from geting any.
the fighter got ko'd in the fight then later got gko'd by his girlfriends friend.
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