fatty back

a round butt; a big butt

Didi you see her.... she's got a fatty back.

by ashey June 11, 2005

back a fatty

(v.) To stand up for a fat person, despite the fact that you are hurting your own reputation

Don't make fun of her just 'cause she's fat! She can't help it...

by psudonym March 7, 2005

back a fatty

Having sex with a fat man.

Backing a fatty includes lots of lube.

by aanksta luver March 5, 2005

Fattybucks

there is no justification attached to a purchase other than I want to, I can, so I will.

Rob didn't need a new boat, but he wanted one, he had enough fattybucks, so he did.

by UknownBSer December 9, 2010

fattypack

A roll of fat that flaps over the top of pants, lookign like a fannypack.

Dam! That chick has a huge fattypack!

by cbtchy October 27, 2010

fattyback

A fat ass that is just so round and juicy u can't stand it. popularized by the go-go song. so it's sayed a lot in DC

she got a fatty back oh-oh-oh

by yo muvva August 28, 2005

flattyback

opposite of fattyback. a girl with no "assets"

Girl was tryna holla but she was built like a wall. flattyback on one side flat chest on the other

by yo muvva August 28, 2005