A mustache that has migrated towards the nothern reigion of the face, usually between the eyebrows.

Sometimes there will still be some mustache left, as not all of it wanted to leave.
Guy 1: Didn't he have a mustache yesterday?
Guy 2: yeah, it just migrated to create that unibrow.
by Sewsuper November 17, 2011
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A perfect union of the brows, admired and respected by all and great source of personal pride for those that are so blessed.
by Chris G: Unibrowed P-I-M-P January 12, 2005
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A person who is a total mess, but 2x the mess. Never knows how to act and is completely goofy and out of the system. Usually a slob and needs to check themselves before they reck themselves.
My room’s a mess, I lost my job and my girlfriend just broke up with me. I’m such a Unibrow
by maddieb543 January 19, 2020
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Unsightly growth extension of the eyebrow, forming what appears to be a single eyebrow which extends beyond the normal eyebrow range. Used in conjunction with Liphair (see description) by male members of Middle-eastern countries to determine whether a female of same origin is of consentual age.
Akbar, my good friend..Look at the unibrow and liphair on that fine Afghani woman. Indeed she is the most beautiful hairy mass I have laid my eyes upon.
by Josh January 3, 2004
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When a man shaves his pubic hair and saves the trimmings. He then ejaculates/shoots his load between a girls eyes and adds the pube trimmings...giving the lady the apparance of a unibrow
She was sucking my dick and I pulled out and came in between her eyes...then I threw my pubes ontop giving her a nice unibrow
by c richmond December 29, 2010
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Dipping your balls into a girls ass, following that up with her performing oral sex on you in the 69 position thereby slapping your dirty poo overed balls in-between her eyes thus creating the image of the young lady having a unibrow.

The upsidedown Goatee
She went to the salon yesterday and got her eyebrows waxed and all cleaned up, then last night I ruined that and gave her a nice unibrow.
by MaCoBeEt November 17, 2011
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A single eyebrow, linked by hair over the nose between what in most people are two separate eyebrows.
The screen actor Colin Ferrell has one of the sexiest unibrows I've ever seen.
by Mark August 2, 2003
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