Home : Chat Slang : BBIAB BBFN | BBIAM Tweet BBIAB Meaning Be back in a bit Type Acronym Rank ★ ★ ★  Common Usage Online Only (chat, messaging, e-mail) Comments Means the user needs to step away from the computer for a moment, but will be back shortly. Updated December 19, 2012 All "B" Chat Slang Chat Slang Home Print