I've hit the bottom.
Open Water was the most boring waste of life I've ever experienced in my short 16 years. Horrible filming (home-video/documentary style), poor acting (almost funny), pointless elements (an almost-sex scene where the wife is "not in the mood", however this scene has nothing to do with the plot at all), and a horrible ending all combined to make this movie the most pitiful piece of crap ever to be burned onto a piece of film. Ever.
The Grudge wasn't too impressive either.
I work at a video department in a grocery store, and we carry a movie called Frankenfish. They say "not to judge a book by its cover", but judging by the name and cover of this movie I can clearly assume that it sucks.
Read about it here.