look up any word, like timebomb:
 
1.
Someone who goes hogging and has sex with a fat chick. A hogger. Someone who plays nail the whale; a chubby chaser; someone afflicted with beer goggles.
Don is a fattybanger. He did another fatty last night. She was huge!
by PMax March 15, 2008
 
2.
Someone who has the painful and hindering curse of getting drunk and banging a real fat ugly bitch.
Don't invite Lewis out tonight, that buster's a big time fatty banger.
by Hector Knox June 25, 2005
 
3.
A large yet firm female buttocks.
A term used to describe a woman whom one wishes to engage in intercouse with.
Hey, chuck look at the fattybanger on her!
God, she's a fattybanger!
by Michael M. H. April 19, 2006