There's a reason "South Park" remains a high-rated show, why "The Simpsons" is the longest-running sitcom in history, why a third installment of "The Hangover" is being released: A lot of people like dumb, frat-boy humor draped in fantasy.

CNN: What's racist about a talking goat?

The Mountain Dew commercials' brand of frat-boy physical humor isn't everyone's thing.

CNN: What's racist about a talking goat?

"Patch Adams" contains some bad language and instances of frat-boy rude humor.

CNN: Review: Sick humor in 'Patch Adams'