Definition from Wiktionary, the free dictionary
A shortening, first attested in 1850, of poor white trash, which black slaves in the Southern United States were said to call white individuals who worked in servile positions (for example as butlers).
- (US, idiomatic, pejorative, ethnic slur) Poorly educated white person or people of low social status.
- This white trash can't pay for his own beer.
- He's just white trash.
- They're white trash'.