B2BR Full Form. Full Meaning of B2BR Find long form and abbreviation, slang or definition of B2BR. What does B2BR mean? What does B2BR stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.