For being stupid, Superbad is pretty good. The word "fuck" is used 186 times in it, according to IMDB. A teenager asks a cop what it's like having a gun and the cop says, "It's like having two cocks. If one of your cocks could kill someone." That's the kind of movie you're in for. It's just perverted enough that if Philip Roth got stoned and went and saw it, he'd love it. (See Movie Times for more info.)