(noun) Strong and inspirational men who support Movember and are committed to change the face of men's health. Mo Bros register at Movember.com, grow a moustache for the month of November to raise awareness and funds for men's health issues during the month of November. Mo Bros start Movember 1st clean-shaven, then grow and groom their Mo, for the rest of the month, raising money along the way.
During Movember there are a lot of hot Mo Bros rocking strong moustaches
by Mo Sista Mimi February 3, 2012
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A gay male who can commonly be found with bro types.
bro, whenever i go out, i always bring my bro mo—he's a designated wingman
by j-beat January 22, 2010
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A straight guy and a gay guy who have a very close relationship. They share a friendship based on vulgarity, movie quotes, and a shared sense of humor among other things.
Craig and Lance are such good friends. They are total bro-mos.
by Oda Mae Brown April 18, 2014
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An EPIC moment that you experienced with some bros. Short for Bro Moment, can also be said as Broment
DUDE! That was such an EPIC bro mo.
by SHMOO_22 January 12, 2019
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A straight (?) male, completely obsessed with his body image, and outward appearance. Will openly over-share, with fellow bro-mo's, details related to his work-out regimen and which parts of his body are most sore from said work-out. May also be inclined to argue, with other bro-mo's, the finer points of the "Twilight" series "Hunger Games" "The Bachelorette" and other culturally feminine subjects.

Can be seen wearing polo shirts and $100.00 embellished jeans as well as spotless sneakers. May at first glance appear as a frat-rat or gym-rat, but once the bro-mo speaks the difference becomes clear. Is known for such phrases as "Bro I went to the gym this morning and did about 100 chin-ups, my pecks are so sore. You should totally feel them" Or "Broskie my thighs are on fire from my workout. Gimme your hand and you can feel how hot they are." Women looking for an actual man are warned to stay clear. The bro-mo is an impostor.
"All James talks about is his body and twilight."

"Yeah he's a total bro-mo"
by Jsoxx March 22, 2012
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A bromance gone too far. When one bro has an unusual attractive towards another bro, and the relationship goes to a level unforeseen.

First used in "LAN'ded" www.landedtheseries.com
Joey and Kyle turned into Bro-Mos, no one saw that coming because we all just thought they were good friends.
by ImAaronJ April 5, 2009
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