One part Justin Bieber, one part racial slur, a beibro is anyone who looks like a twelve year old lesbian and is good at basketball.
A: "Ay'yo Rashard, can't believe that little punk beat us at ball dawg"
B: "Who give a fuck, that kid be a biebro."
by TheInfamousBuffChix February 19, 2011
Get the Biebro mug.