What are some fun, safe ways to break a social norm without breaking a law?
Some fun and safe ways to break a social norm without breaking the law could include the following ideas:
 - Wear winter clothes on a hot day or wear a bathing suit on a cold day
 - Talk to strangers on the elevator 
 - Pick your nose while talking to someone
 - Lick the plate at a restaurant
 - Talk to someone in another stall in a public bathroom