look up any word, like kappa:
 
1.
Someone who says "be right back" in an instant messaging session and never returns, or returns hours/days later.
"You brb-liar! You've been gone for a week!"
"He's such a BRB liar. You won't hear from him again until Thursday"
by CoachW February 06, 2008

Words related to brb-liar

afk brb chat im instant messaging