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 November 19, 2011

fatback

A layer of buttery cheese commonly found on a sorostitute's back, just above her waist that usually shows signs of dunlap disease and may or may not be accompanied by a large stripper tattoo. This type of fatback is mostly caused from drinking beer and eating large pizzas all by themselves. Possibly a major portion of their freshman fifteen.

Damn, that sorostitute has a serious case of the fatback!!

by JRatt June 30, 2005

flat back beaver tail

A woman usually white or asian who has little or no back side

"Man I need a gurl wit a boot I cant have no flat back beaver tail brawd."

by Kwelityhiphop November 30, 2005

FatBack

A referal of a females backside or booty, appealing to the opposite sex, which is man. (No Males should have a fatback. Females are strickly forbidden to use this world unless your gay).

Man, the fatback on that female can cover the whole solar system.

by neiman July 6, 2004

fladback

Basically means hooker or prostitute

Linda is burning for love. A very musical lady isn't she. Go on Linda suck his skinflute you fucking fladback

by stoat4016 October 27, 2013

Flat back filet

Having doggie style sex with a girl wrapped in the American flag while eating filet mignon

"You get a filet mignon from Ruth's Chris steakhouse?"
"Yeah, then I gave the hostess the flat back filet!"

by Mercian Male April 11, 2015