Restaurant signage is a funny concept. Boards and stands outside of businesses are meant to attract customers, but sometimes they do just the opposite. How, you ask? They make you think you're about to step into a sloppy place that will give you food poisoning. That may be extreme, but unless you're into taking questionable risks, make sure you don't find yourself entering a spot with one of The 25 Funniest Signs Outside of Restaurants.