Halloween used to be an opportunity to wear something scary, ugly, outrageous, or funny. Now retailers use the holiday as an opportunity to hawk their skankiest wares, and many revelers comply. It's hard to find a costume for even a tween that isn't high cut at the thigh and low cut at the neckline. We're not prudes, really, and if you are a grown up and want to don a "sexy" costume from the racks of your local Halloween store, nobody is going to stop you. Go ahead and unleash your inner kitty cat or shake those pom poms. But some concepts are just plain wrong. If you feel a yearning to dress up as any of the following, may we suggest a sheet with two eye holes instead?