If dressing up as a slutty fire fighter isn't your idea of an epic Halloween costume, try some of these ideas. Unless the slutty fire fighter is meant to be ironic . . . Here's the hipster costume rule: The more times you can scoff and say "What, you don't know who I am?" the better. So as inspiration for all of you go-all-outters for Halloween, here are 10 dorky hipster/Internet-themed costumes.