The meaning of the Acronym BRB is...

BRB is

• Believe Really Believe

More Meanings For BRB:

• Beam Related Background
• Bath Room Break
• BedRoom Bully
• Believe Really Believe
• Back Rub Boy
• Bar Room Bar
• Be Right Back
• Big Red Button
• Benefits Review Board
• Be Right Back
• Bright Red Blood
• Brazilian Rainbow Boa
• Big Round Breasts
• Boy Rape Beagle
• British Roo Bars

BRB is also in:

• Accounting
• Adults
• Chat
• Conferences
• Funnies
• Law
• Military
• Physiology
• Religion
• SMS
• Sports
• US Government
• Veterinary