The meaning of the Acronym BRB is...

BRB is

• Big Red Button

More Meanings For BRB:

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

BRB is also in:

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