Waka Flocka Wants St. Louis DJ Who Called Him 'N***er' Off the Air, Or Else ... (VIDEOS + AUDIO)

Waka Flocka is ready to take matters into his own hands if the St. Louis radio personality who called him a "greasy n****r" on the air doesn't lose his job. Waka dropped a blistering rant when we asked him about Bob Romanik -- or as he calls…