The phrase "how to rock" commonly refers to a few different contexts, but based on the most relevant information found, "How to Rock" is best known as an American teen sitcom that aired on Nickelodeon in 2012. The show focuses on a girl named Kacey Simon who, after getting braces and glasses and subsequently being kicked out of the popular group "the Perfs," joins a new band called "Gravity 5" and navigates a rivalry between the two bands. The series combines themes of friendship, confidence, and music as a form of self- expression.
If the question is about the general meaning or how to "rock" as in how to excel or be cool, please specify for a more targeted explanation.
