Your boyfriend on facebook. He could live very far away, be in a relationship, or both. You trade messages and emails but never see each other in person.
I'm single, but I'm in love with my fbbf.
by RealNaughtyRN January 17, 2010
by YumiSpewns May 28, 2010
(Face Book Best Friend). (n) a person that you do not know at all, but for some reason feel the need to respond to any number of your posts as a close friend.
Sally: No feeling 100% percent today.
FBBF: I am so sorry to hear that.
Sally: Thanks, to my newest FBBF.
FBBF: I am so sorry to hear that.
Sally: Thanks, to my newest FBBF.
by Istvan Sengir May 14, 2010
by Getmygwallados August 07, 2010