Rbo stands for real brothers only.... it is a gang of around 10 boys. They all love sharing girls and they love jumping people.
by Provs dictionary August 6, 2019
Get the Rbomug. Rbo is a gang in Rhode Island Rbo stands for real b**ches only and a gang that’s soft. They are mostly from Cranston and prov.
by Memearelife May 27, 2019
Get the RBOmug. Acronym standing for "Rock et Belles Oreilles", a legendary french-canadian comedy group active from the 1980s up to the mid-1990s.
by Edgar Pruviance May 27, 2009
Get the RBOmug. by RboStinkaaa September 18, 2019
Get the RBOmug. by RGEN March 6, 2022
Get the RBO GLIZZYmug. 
