Top Definition
A Facebook worm.

An insult to anyone named "Koob"
I just got fucked over by koobface.

Fuck you koob, ya koobfaced fuck.
by Billcheese1 February 04, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×