saddle trash
n.— «He found steady work playing various lowlifes in movies-of-the-week and series television. Sometimes he got a role as a doctor, other times, he played what he refers to as “saddle trash.”» —“The stage has been good to all of the Todd Duckworths” by Cathrine Lawson Ottawa Citizen (Canada) Jan. 31, 2007. (source: Double-Tongued Dictionary)