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2.
one who has no butt formation, a flat saggy ass with no bump or rounded shape.
Look at that bitches phass!
by frombake June 05, 2009
 
1.
phat + ass = phass. A nice juicy booty. "Junk in the trunk." A sexy butt that is both fat (as in "juicy") and cool/phat (...because it is so hot!).
Shake dat phass girl.
by Seth Romera September 06, 2007