1: Something that is totally ridiculous in and of itself or something that should be just fine but is in the state of straight trash.
2: When someone is talking trash about someone or something that is overly ridiculous.
3: A commentary on any situation, very contextual.
4: Nothing but straight trash, noun.
1: "Dude, that catalogue was full of straight trash, probably because it was on that straight trash airplane."
2: "Dude, that guy was talking some straight trash about Bret Favre, but I gotta say, he kinda deserves it.."
3: "Hahaha, work today was straight trash."
4: "Whoa, look over there at that straight trash in the street."