Trailer Park Trash Meaning

(US, idiomatic, pejorative) Alternative form of trailer trash

Example: 1996, Annalee Newitz, White Trash: Race and Class in America [1]
  I didn't wear my “Trailer Park Trash” T-shirt that day.
1999, Patricia Jones, Passing [2]
  I swear, this whole thing sounds like we're talking about some hillbilly trailer park trash.
2004, Sam Warren, Tales from the Tijuana Jails II [3]
  Eric's remark about “trailer park trash” is strictly his. I have some very good friends who live in trailers and they are not trash.