Fatback

The extra amount of skin (fat) that droops over the back and sometimes sides of girls bras. Usually happens when they are too fat or the bra is too small.

"Man did you see that new girl in math? That Hollister shirt so showed off her fatback!"

by Scotty Wilson March 24, 2008

Fatback

A person that is so fat or overweight that they got rolls on their back. the type you would usually see on a persons stomach.

Yeah man, I saw Denise at the Hilton Party last night, she changed man. She fatback now.

Yo fatback ass

Damn, shawty been fatback since grade school

Her ass fatbacking.

by Yayo Da Don June 04, 2011

Fatback

a fat girls pussy

dangggggggg that girl got a fatback!!

by skinnyweewee69 August 27, 2019

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?"

by FatBackLover March 19, 2009

fatback

Late 60's, early 70's style funk rhythm guitar, often accomplished using a wah pedal and 9th chords. Listen to the theme of "Shaft."

That dude's layin down some bad-ass fatback.

by Andy December 27, 2003

fatback

A term of utmost hatred used to define someone with a weight problem; this term should not be used in reference to someone who could kick your ass, only in situations where the fatass is totally immobile or just a pussy.

Hateful Person: Put those Cheetos down you fucking fatback
Fatback: Dude, I'd hit you if I could get up off this bed.
Hateful Person: Yeah, you're fuckin-a right you grotesque fatback mother-fucker.

by Raagers October 19, 2004

fatbacking

When a man gets off by rubbing his penis between a woman's back fat.

I went home with Samantha last night -- I didn't have a condom but the fatbacking was great.

by htc4eva February 12, 2010