don't mack on my nine

A phrase created after some one misheard "back in year nine...".
Now accepted as a faux-ghetto slang term. Can be used at any random interval but works well if some one has offended or insulted you in any way.

Man 1: You're a knob
Man 2: Don't mack on my nine

by Vincentw00t September 29, 2005