1 definition by toroknight

A term professional gamers (be they simple gamers or streamers) in top competitive games, most commonly Overwatch, use to compliment an action in game. Mostly used as a joke, and is most often always genuine praise. Derived from the Korean pronunciation of 'nice'.
SlayerGramps: *gets a quad kill*
DSPStanky: Naisu!
by toroknight June 14, 2017
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