Top Definition
A fackhead refers to a person who is acting like a know-it-all with an attitude.
Jack knew all the answers to Wheel of Fortune tonight, but he was being a total FACKHEAD about it.
by jdubs91forealz January 17, 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.