also 'Rastus, masc. proper name, short for Erastus. As a stereotypical name of an American slave or derogatory for "black man," 1881, probably from use in stories of Joel Chandler Harris.
Examples from the Web for rastus
Historical Examples of rastus
I'm kinder like 'Rastus Bailey used to be at the dances when you and me was younger, Perez.Cap'n Eri
Joseph Crosby Lincoln
Don't you nevah think no mo' 'bout bein' a preachah, 'Rastus?The heart of happy hollow
Paul Laurence Dunbar
It was rather lucky for young Rastus here, commented the officer.
But youd better get down below, Rastus, and get some dry clothes on.
With another flash of his white teeth, Rastus was off on his errand.