what does bozo stand for

Bozo is a slang term used to describe a foolish, incompetent, or ridiculous person. It often carries a mildly playful or pejorative tone, depending on context, and can refer to someone who is clumsy or makes foolish mistakes, or someone who behaves arrogantly or obnoxiously. The word has a long history in American English and is commonly associated with the clown persona named Bozo, which helped popularize the term in the mid-20th century.