Top Definition
Anoter term for Male Fans of MLP:FIM. Unicorn+Brother=Unibros.
Dude,he's a Unibro.

UNIBROS UNITE!!
by TheUltimateFangirl September 10, 2013

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A crazy, manifesto-writing douchebro who thinks he's the unsung, world-saving genius we all so desperately need. Examples: Google-bro, National-Security-Council-bro, Stephen Miller.
If Don Jr. knew how to hold a pen, he'd be a unibro.
by I write for a living August 13, 2017

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