A wanker who is obsessed with (or believes they are part of) Japanese culture.
'The anime festival sucked - no cute asian girls, just wall-to-wall wanakas'.
'Hah! Cindy bought an "authentic" samuri sword online. Man, she's such a wanaka'.
Also, Gwen Stefani may be considered a wanaka.
Acronym for 'Big Man On Campus'. Self-important jock. Fem: B.COC (Big Chick On Campus)
'Did you see Chad strutting around the office like a fucking BMOC? Why's he so cocky today?'
'Don't sit over there at the uni bar - it's where the B.MOCs recline and try to look cool'.
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