What is the origin of the idiom "rant and rave" and when to use it?

The origin of the phrase "rant and rave" can be traced back to Old English and Middle English. The word "rant" originated from the Dutch "ranten," meaning "to talk foolishly or extravagantly." The word "rave" originated from the Middle English "raven" or "ravien," meaning "to speak wildly or irrationally." This idiom is often used to describe situations where individuals engage in intense and uncontrolled verbal expressions, usually characterized by excessive volume, strong emotions, and a sense of irrationality. It can be applied to personal interactions, public debates, political discussions, or even social media posts that involve passionate and often confrontational language.