Well, I could list off one of many B-grade movies, but they're all so terrible it's actually laughable, and a good portion of them know that they're terrible anyway, so it's a bit like calling a generic product from the store a generic product and expecting it to be insulting.
Presumably, you mean any main-stream movie (which is also not genre-savvy enough to self-parody). Max Payne wasn't the worst movie ever?sure it had horrible pacing and the good bits were all expunged in an ejaculatory expository session and the whole angel-demon thing was apparently just for shits and giggles unlike in the games as I hear, but it had good violence at points which served to drown out the movie taking itself too seriously. I haven't actually seen The Spirit (nor will I ever if I have any say in the matter), so I can't really comment on it. Snakes On A Plane is just one of those unintentionally hilarious movies, and for that it gets points.
Probably the worst, utterly irredeemable box-office movie that I've seen was Batman Forever. Just aurgh.
I utterly despise Tolkien fan-fict?I MEAN TOTALLY ORIGINAL STORYTELLING and for that reason I will never, ever ever subject myself to Eragon in any form: book, movie or combined with finely-ground cocaine, much as I can never find any way to subject myself to Uwe Boll after watching half of one of his movies (which he actually gets paid to make by the German government, I found out?maybe they're paying him to leave them the hell alone).