Movies that people still don't understand

"I don't get it." Have you ever shown a friend a movie only to hear that response as the credits roll? It's not that it's surprising. People have widely divergent tastes, after all. But a lot of films are too heady and high-concept, or too confusing and clumsily made, and the only natural response is a resounding "huh?" Let's go over some of these more divisive pictures, and pat ourselves on the back for the ones we know inside and out. Spoilers ahead!