1 definition by lbaran
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"
"BIAF"
"Damn, I'll probably be waiting all day to tell her!"
"BIAF"
"Damn, I'll probably be waiting all day to tell her!"
by lbaran February 9, 2009