Definitions by FatBackLover

Fatback 

A girl who is rather heavy, yet not totally obese, in a fairly sexy way. It is a common term of endearment for the larger girls, who are not fat, but sexy.

"Wow, Charlotte Church is quite the fatback"
"Mmm, Natasha, Fatback much?"

Fatback by FatBackLover March 19, 2009