It’s fascinating that Ethan Coen and Tricia Cooke, longtime filmmaking collaborators and spouses, and the creative team behind the queer exploitation flick “Drive-Away Dolls,” have repeatedly — and lovingly — described their new film as “trashy” in interviews. It’s a way of nodding to influences like the “Pope of Trash” himself, John Waters, and titillating B-movie king Russ Meyer. Or perhaps it’s a way to get ahead of, and away from, certain expectations tied to Coen and his former filmmaking partner, his brother Joel. This ain’t your daddy’s “No Country for Old Men,” after all. “Drive-Away D…