I heard this second-hand, but it's true and here's a source: http://www.wdtn.com/Global/story.asp?S=6696215

Basically on a Superman ride at Six Flags, something went wrong and ripped off this teen girl's feet. If I had to pin down the top three thing I'd think would be the most painful, that would be one of them.

And of course this is another reason why Superman sucks. Batman for life.