1 definition by anythingbutkatharine

NAA

No Ass Assiciation.

People (usually girls) who have no asses (completely flat on the ass area) and join to rebel against those with asses.

A group of people without asses.

You have no ass man, you should join the NAA.

Look at those NAAs over there.

by anythingbutkatharine June 26, 2005