Definitions by Randy A.K.A. Rizz

N.C.A.A. 

when a girl has No Cheeks At All

Yo that white girl got a N.C.A.A.

N.C.A.A. by Randy A.K.A. Rizz November 18, 2005

N.B.A. 

An acronym which stands for:
Nothing
But
Ass
Usually used when a girl got a big ass

Yo J-Lo got a N.B.A.

N.B.A. by Randy A.K.A. Rizz November 18, 2005