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A skinny boy (usually asian), short for his age who's always in pursuit of a six-pack but only succeeds in looking hungry. (see manorexic body builder) Benefits in being a monju include sweating profusely, crying excessively during chick flicks, and growing man boobs before the age of 25.
That guys been working out all day and still has a pot belly. What a monju.
by Ema N. Ekaf September 29, 2010
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