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Acronymn for Back in a Few in texting and Instant Messaging. A longer version of BRB implying a longer wait.
"Hey, I have something really great to tell you"


"Damn, I'll probably be waiting all day to tell her!"
by lbaran February 09, 2009
Burn in a fire
I dont like Manchester United. Wayne Rooney can just go BIAF!
by oic_hai January 31, 2011
BIAF: an acronym that stands for Burn In A Fire. Also see BIH.
Person 1: You are a gay mofo and have body odors

Person 2: go BIAF bitch!
by Froamos July 01, 2004