1 definition by Sailor KnightWing

Top Definition
Japanese: An insulting word meaning someone who is completely obsessed with something. They are the type that generally live in their parents' basements at 30 years old and have no social life.

English: A term meaning someone very into anime/manga/Japanese culture. It can be taken as either a compliment or an insult, depending on the recipient (I take it as a compliment, for example).
J: Man, that otaku needs a bath, he's been in his basement for a week without one.

E: Wow, look at all these otaku at the convention, dressed like their favorite characters! They're having so much fun!
by Sailor KnightWing April 27, 2004

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