Phatty 

An adjective used to describe a girl with a fffaaatttt ass and most likely she has a nice face also.

Dddaaaammmmnnnn, that girl has a fucking phatty.

Phatty by stud_muffin32 December 29, 2018

phatty 

a girl with a vulumptcious bottom

damn look at numba 9, she gots a phatty

phatty by Allie and Marissa December 3, 2007

phatty 

a large, fat butt that jiggles when you walk

Dang, that girl got a phatty!!

phatty by taijel July 28, 2005

Phatty 

Marijuana slang term used in various contexts. 1:(n) Large joint or blunt. 2:(adj) Highly satisfactory.

1:"Yo, pass me that phatty"
2: "Damn dude, that is a phatty bong"

Phatty by a_bortion May 3, 2005

Phatty 

A nice big butt

Damn Jenna was a phatty

Phatty by Yayayang May 14, 2016

phatty 

a big fat d00b or blunt.

I just blazed a phattym I'm soooooo ripped.

phatty by OlafBerserker August 16, 2004

phatty 

the epitome of all that is cool or great. the height of excellence.

"now THAT is phatty."
"that's one phatty llama you've got there."
"phatty."

phatty by WorldChanger September 16, 2005