Also found in: Acronyms.
An initialism of "be back in a few minutes," used especially in real-time online communications, such as chat rooms or instant messaging. Sometimes written in capital letters. A: "so, how u doin back @ home?" B: "good. sry, mom's callin. bbiafm. A: "Phil, would you mind sending a copy of those invoices to everyone in the chat?" B: "No problem, just let me go scan them. BBIAFM, everyone."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.