1 definition by Crusty Monochode

An extremely crusty caterpillar across someones forehead. Usually formed because the person decided/couldn't get pluckers. Most commonly said people with monobrows are named Marco. Also monobrows are sometimes flared up on the sides.
Man! That crusty kid over there needs to stop flarin' his monobrow!
by Crusty Monochode January 31, 2011
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