Top Definition
To intentionally talk badly to or about someone on facebook.
Friend: "man, why is (other friend) always talking bad about you on fabo? Me: I don't know, he won't tell me to my face, he just want to Fa-bash me!
by Nwalk2011 February 04, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.