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.
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"
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"
by Mangofatdoody September 28, 2010
Get the Fatty Fat Headmug. Perhaps the only joke that crosses all known cultures, races, and religions. A formula for laughter as old as comedy itself, fatty fall down occurs when a fatass falls over.
Dick: "Dude, did you see that lard butt tumble off the stairs?"
Johnson: "Yeah, dude, everyone was laughing their asses off. Even the fat guy was, and he was shaking like a plate of Jell-O."
Dick: "Fatty fall down never fails, man."
Johnson: "Yeah, dude, everyone was laughing their asses off. Even the fat guy was, and he was shaking like a plate of Jell-O."
Dick: "Fatty fall down never fails, man."
by Harry Manasses June 12, 2012
Get the Fatty Fall Downmug. 
Get the fatty boom battymug. You have a fat butt. Your booty is big and having it means that some guys are going to stare at it alot. Plus there going to yell and say things about it. Be happy if you do got one most girls don't...
by Anglewood November 24, 2013
Get the you got a fattymug. 1) used to insult someone who may be fat
2) used to insult someone because you can't seem to think of a better insult than "Fatty McFat Fat"
2) used to insult someone because you can't seem to think of a better insult than "Fatty McFat Fat"
by sowutifimuglt,ugly! January 20, 2007
Get the Fatty McFat Fatmug. by BinLadiniTheGenie April 10, 2023
Get the fatty bum teethmug. by nabsnoobs July 5, 2016
Get the fatty bom bommug.