Doesn't have a literal meaning. The correct response when someone begins speaking Ebonics
to you and you are having difficulty understanding them.
Jamal: Yo dog whats happenin my nigguh, yo ass looks like yous just got done on a four day bender.
Steven: Shizzle tizzle gizzle gar.
Jamal: Oh, sorry man I meant to say how are you doing my friend? You look tired.