Definition of Rastus in English:

Rastus

noun

US
slang, derogatory, offensive
  • 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.

Pronunciation

Rastus

/ˈrastəs/