schadenfreude: The joy felt by someone else's misfortune. It's a sad statement about human nature that this word exists outside of psychological circles, though it's perhaps fitting that the word is German. It's something we've all felt at one time or another. Remember how you felt when you saw a scraggly, dirty Saddam Hussein after his capture? How did you feel when you learned that he had been hanged?
Anyway, to get the image of SH out of your head, here's a fun way to teach your kids about the joys and dangers of schadenfreude:
Image from the rut.