The average person uses the bathroom for ten minutes a day at work which means we all get forty hours of paid vacation each year to... well, you know. One of the worst parts about working at an office is having to share bathrooms with your fellow co-workers. While most tend to exercise proper bathroom etiquette, there's always one or two who aren't so proper. Before you take your next bathroom vacation, check out this gallery of funny bathroom signs and print out a few to hang up at your place of work. You'll be a hero when you help flush out the bathroom bandits at your office and force them to finally come clean.