One of the many drug dealers on rhode island ave in D.C. Has a fat ass melon for a head and is fond of animals.
Me:Yo chris lets go beat down fat head fred for that vicious ass north face he got.
Chris:aight son lets call paul and hobo first for back up then we goin to beat down slummy.
Me:thats cool wit me, we can sell that green bike he got on ebay for 55 dollars.
One whose ego (or attitude) is so large that their head, literally, looks fatter.
To be used as a Term of Endearment. Can also be used in exasperation.
Mary: "Who is the OG Fatty Fat Head?'
Sarah: "Umm... I'm pretty sure that's Randee Jo"
Mary: "Ooohh..."
Christina: "Stop being a Fat Head and come pick me up!"
Caitlin: " What the hell does that even mean?!? Is that even a phrase?"
Christina: "Look it up on Urban Dictionary, it's there"