The word "bozo" is a slang term that refers to a foolish or incompetent person. It is often used in a lighthearted or humorous context to describe someone who is acting silly or making silly mistakes. The term carries a connotation of playfulness rather than serious insult.
The term "bozo" is thought to have originated in the United States in the early 20th century, possibly derived from "bozo" as a name for a clown in a popular children's show of that time. The specific origins are uncertain, but it has become a catch-all term for a foolish individual.