The phrase "to break the rules" means to act in a way that goes against established norms, guidelines or expectations. It can refer to someone doing something that is not allowed by an authority figure such as a parent, teacher, boss or government official. For example, if a child disobeys their parents and stays out past curfew, they are "breaking the rules." The phrase can also be used more generally to describe someone taking risks or doing something unconventional that goes against social norms or expectations. In this sense, it could refer to an artist who creates a piece of art that challenges traditional notions of beauty or an athlete who pushes the boundaries of what is possible in their sport. Overall, "to break the rules" means to act in a way that goes against established norms and expectations.