Top definition
Random piece of obscure knowledge about japanese culture/history/customs that only anime dorks and japanese people really know about, but that the former consider common knowledge.

Don't ever confess ignorance regarding these tidbits of information, as you'll probably never regain your respect amongst the 'in crowd' of anime schoolgirl-ogling again.
"Dude, that's 'Muramasa', not 'Masamune'. Jesus, how many times must I correct you people?"
by Per Sandin October 19, 2004
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