Are you in the market for a funny bumper sticker? Or maybe even a dirty bumper sticker? Well, you're in luck because the bumper stickers on this list will give you some great ideas. These are some seriously inappropriate bumper stickers that'll surely ward off idiot tailgaters. These are stickers that'll let people know that you're not only not to be messed with, but also you are hilarious. I think everyone knows that is a dangerous combination. If a person is funny and also not to be messed with, you never know what they're thinking. Are they joking around? Or do they want to hurt me? You could be that person... with one of these funny bumper stickers.