What is Phatty?
1.
a big booty
Damn look at shawty phatty
Damn ma u gots a phatty
2.
a large, fat butt that jiggles when you walk
Dang, that girl got a phatty!!
3.
Marijuana slang term used in various contexts. 1:(n) Large
1:"Yo, pass me that phatty"
2: "Damn dude, that is a phatty bong"
4.
a girl with a vulumptcious bottom
damn look at numba 9, she gots a phatty
See
5.
a big fat d00b or blunt.
I just blazed a phattym I'm soooooo ripped.
6.
A plump, round pussy mound and/or labia
The day after my buddy fooled around with my little sister, he couldn't wait to tell me the panties she was wearing could barely contain her wet phatty.
See
7.
Something of greatness
"Her ass is phatty", or "Thats phatty"