1. Female Booty.
2. The derriere or Bottocks with personality of the female species.
Usually applied to females who no matter which way you approach them dazzle you with their booty FIRST cos' it has its own seperate personality!
1. Beyonce has Nyash
2. Jo Lo has Nyash
3. Paris Hilton.....doesn't
"Dat Nyash was clapping all night when I hooked up with Candy"