filthy

Wealthy, as in filthy rich.

"Face it, not guilty- that's how I stay filthy. Richer than Ritchie until you n*ggas come to get me."
(Notorious BIG, Hyptonize, 1997.)

We get picked up by this label, we gonna be livin' filthy son. Word is born.

dirty

adj. Possessing narcotics or other illegal substances hidden on your person.

A: The fucking po'po's are pulling us over.

B: Shit n*gga, I'm dirty.

A: Swallow that shit right quick.

B: A'ight