Ketten is Japanese for 'flaw' and considered a major insult given that the culture is highly success-driven.
Otaku 1: You lose the game.
Otaku 2. I lose the game.
Otaku 3: You all lose the game simply by playing, so shut up, ketten!
Otaku 2. I lose the game.
Otaku 3: You all lose the game simply by playing, so shut up, ketten!
by mercynre April 9, 2009
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