Where did the term prat come from?

The term "prat" originates from British slang, where it is used to describe a foolish or incompetent person. Its usage dates back to the early 20th century, derived from the Word "pratt," which is believed to have roots in the Old English Word "pratt," meaning "to talk foolishly." Additionally, in some contexts, "prat" can refer to the buttocks, adding a layer of humor to its usage.