This is what Jamal should have said
Crawford: Well...perhaps the challenge should have been directed elsewhere? "It is a melancholy truth that..."
Jamal: Your Mama...
Crawford: "You will hear the beat of a horse's..."
Jamal: Is a bitch...
(frown face)
Crawford: GET OUT! GET...OUT!!!...
Jamal: Yeah, I'll get out.
Crawford: N-gger...