1 definition by platttts

Someone who has withdrawn from all real-life social interaction. A hikikomori rarely leaves their home, and has no friends or family with whom they interact. A hikikomori is NOT always an otaku, nerd, gamer, etc, though they can be.
John's agoraphobia got so bad that he became a hikikomori.
by platttts February 2, 2011
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