Definitions by Mo Sista Mimi

Mo Bro 

(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

Mo Bro by Mo Sista Mimi March 7, 2012