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A female who has one eyebrow and a moustache.
Wow! browstache is rot!
by doedie August 12, 2004
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A birth defect that occurs in both males and females which can be recognized as an uninterrupted line of hair above the eyes and nose, but below the forehead, that causes two eyebrows to become one.

If left untreated, this condition may prevent people from attracting members of the opposite sex, as well as members of the same sex.

Also referred to as a unibrow, or omnibrow.
Dude, check out Collin Farrell's browstache.
by AlexTheTrainer January 13, 2010
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