In the movie Year One, there is a scene in which Jack Black literally eats poop. He picks up a turd, licks it, and, based on its flavor, determines that it is the feces of a bear and not of a human. In another scene, Michael Cera is waterboarded with his own hot urine. But do you know what got the biggest reaction from the audience? The loudest, most visceral collective "EEEEUUUUUUUUAAAAGGGGHHHHHHHH!!!"?

It was this:

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It happened when the lead lady-caveman (I believe that is the technical term) reaches up to daintily pluck a gourd off a tree or something, and reveals her unshaven underarm lady-cave-hair. (Apparently she forgot to scrape it off with a lion's tooth for primordial cave smoothness and pleasure!) "AAAAAAAAAAAAAAGGGHHHHHH!!" cried the audience, men and women and little babies alike. "EEEEEEEEEUUUUWWWWWWWWWWWWW!!!!!" This lady-caveman's unshaven armpit was the most disgusting thing they'd ever seen*. Really, you guys? The most disgusting thing you've ever seen is something that every single one of you possesses? (Not you, little babies—fair enough.) Should I take that to mean that licking a poo is more commonplace and acceptable in your life than a hair growing under a lady's arm?

You guys are weird.

*The second most disgusting thing they'd ever seen was when Michael Cera has to rub oil into Oliver Platt's chest hair, a scene that manages to be both hair-ophobic and homophobic.

Image of Gustave Courbet's The Bather from Wikipedia.