Someone with only one eyebrow which covers both eyes.

This is not to be confused with Unibrow, as that is the actual eyebrow.
The source of the monobrow's uglyness could be traced back to the thick unibrow covering both of his eyes.
by Matt June 15, 2003
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A person with only one gigantic eyebrow. Perhaps called a "unibrow". Having too much hair, making it appear to be one eyebrow rather than two.
The guy in the corner with his computer and World of Warcraft T-shirt sure has a rockin' monobrow.
by Smb05 December 7, 2010
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a monobrow is a pair of eyebrows that have joined in the middle. also known as a "slug", "forehead tash" or a "furry snail".
OMG look at kris' huge monobrow nick! EWWWWW its disguisting aidan.
by uhgyifdibj February 5, 2010
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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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large hair above eyes. its when both eyebrows join toghether to form one giant hairy monster. i highly recommend waxing to anyone that suffers from this cruel hair growth.(also known as a mostache in the wrong place)
My mother waxed her monobrow causing great pain and discomfort every time she blinked.
by belly bottom man April 26, 2003
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Shooting ones load to join the eyebrows to form a monobrow in the shape of a seagull.
Did you hear kane gave a chick a seagull monobrow. What a legend.
by Enak’s mum May 30, 2015
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When a fat old ugly caveman has a giant catterpillar in his forhead like bigfoot. Also has a peng sister.
Look at Seif Monobrow, it's so ugly!
by Seif Caveman November 2, 2022
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