Dark Horse (2011): A fat, obnoxious manchild romances a severely depressed woman with a lot of the movie taking place in his weird fantasies. It's a Todd Solondz movie so you'll either find it very funny or incredibly miserable to sit through.
Feed (2005): Horror movie about an Aussie cyberpolice cop who tries to track down a feeder who is livestreaming himself making a woman really fat. Was infamous for some truly gross special effects that still hold up, the cyberpolice stuff is really funny today though. Almost a legit good horror movie that is held back by being low-budget and Australian.
Auto Focus (2002): Bob Crane, a happily married Christian family man descends into life-ruining coomerism after gaining fame and a friendship with a weird pervert. Basically the story of Nick Rekieta. One of Paul Schrader's best.