A fax on facebook. Basically the coolest way to say "message" or "wall post."
Dude: Yo, do you have that link to that super awesome pr0n site?
Dude 2: sec, i'll send you a fbx.
© 1999-2015 Urban Dictionary ®
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.