Rastus
/ˈrastəs/US slang (derogatory and offensive )
noun
A nickname for: a hypothetically average or typical African-American man.
- Originally applied jestingly in a number of songs and films, and later with more deliberately offensive intent..
Origin
Late 19th century; earliest use found in The Atlanta Constitution. From Rastus, aphetic form of the male personal name Erastus, regarded as common among African Americans.