Somebody who has an overly large blob, which they call a head, protruding from their neck. Or someone who thinks their at the top of the bottle looking down on everyone else.
Oi Faris, you Fathead!
by fatheadfaris April 26, 2009
Someone who's head has a unusually large circumference or bears a resemblance to John Madden.
Mark: Anna, move yo fathead lookin' ass, I can't see the board.
Anna: Shut up!

Mark: You look like John Madden... yo fathead lookin' ass!
by rawrthaas February 25, 2010
A funny word that is very under used because it doesn't have any curses or dirty words in it.
Me yelling at my brother: YOU FAT HEAD!!
by Theory's Apprentice July 02, 2006
1. a person who has a large/irregular shaped head in comparison with thier body .

2.fatheads (pl.) can be used to describe a group of people standing together all with large heads.
'you are a fathead'

'throw it at the fatheads'
by hamster#1 June 26, 2007
A person that does not actually have an over-sized head, but is great to hang out with, also can be payed out constantly but actually knows that they are great friends
Hannah, your such a fathead.
by matthew.rhodes January 14, 2009
Someone with a really big head. Like ole Burnsy..
Man, look at that fathead. he looks like Frankenstein.
by Mike Burns February 06, 2006
a person with the biggest head in the world
Rene your such a fathead
by fatheadlover September 12, 2003

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