Green’s Dictionary of Slang

(orig. US) pertaining to the culture and mores of the white underclass; occas. ext. as brown trash, with ref. to an equivalent black community.

1925		Du Bose Heyward Porgy (1945) 49: Yuh might be a lawyuh, an’ all dat; but I ain’t goin’ tuh hab yuh stan’ dey an’ tell me dat Mistuh Archdale gots dem po’ w’itetrash ways.
1949		J.H. Burns Lucifer with a Book 147: This po lil white trash wife of mine.
1966		H.S. Thompson Hell’s Angels (1967) 162: A story called Barn Burning, by William Faulkner, is another white-trash classic.
1977		J. Sayles Union Dues (1978) 277: Leather was for whitetrash townie dropouts.
1989		G. Tate ‘The GOP Throws a Mammy-Jammy’ in Flyboy in the Buttermilk (1992) 106: If [Atwater] reminds me of anybody, it’s Jerry Lee Lewis, a white-trash hellion who likes being licked by the tarbrush but is still a redneck through and through.
1990		R. Campbell Sweet La-La Land (1999) 178: The crowd of shies and shines, sex pistols and spicks, trash ofays and nickel merchants.
1999		Indep. Rev. 20 Oct. 5: Tania, a media wallah escaping her poor brown trash background.
1999		J. Ridley Everybody Smokes in Hell 44: The only matter of substance that ever complicated her uncomplicated white-trash mind was where to put her chewing gum while she fucked.
1999		Observer Rev. 12 Dec. 13: Being white-trash Afrikaaners.
2000		C. Cook Robbers (2001) 104: A working class neighborhood working its way into white trash status.
2014		M. McBride Swollen Red Sun 10: White-trash pharmacies run from beaten-down mobile homes at the end of dead-end roads.
2015		I. Welsh Decent Ride 239: You goddamn motherfucking white-trash assholes!
2021		S.A. Crosby Razorblade Tears 88: ‘Some white trash redneck ex-con’.