Bill: Yo, look at john's brand new shiny rims, must be expensive.
Kevin: Nah, he just bought the fims from walmart
Kevin: Nah, he just bought the fims from walmart
by D.C. Goddy April 26, 2008

To end anything. Usually means you are leaving or are done with the current activity or you are tired.
Lu: C'mon, play one more game of Madden.
Joe: Nah man, I'm dust.
or
John: I'm leaving the party, I'm dust.
Joe: Nah man, I'm dust.
or
John: I'm leaving the party, I'm dust.
by D.C. Goddy June 14, 2008
