Top Definition
Someone who bothers you incessantly on Facebook, commenting on every status, trying to chat with you every time your online, being a general bug, this causes irritation, anger and can lead you to log off just to stop communicating with them.
Dude Brian is such a facebug!! I can't be online for 5 minutes without him harassing me.
by know your wrights October 13, 2009
The constant bug that effects the website facebook.
Person 1 - "This facebug is stopping me from looking at my online friends."
Person 2 - "Unlucky"

Person 1 - "I can't delete this guy off my friends list!"
Person 2 - "Looks like you have a facebug."
by Demno November 07, 2009
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.