1. Bozo - a man who is a stupid incompetent fool cuckoo , fathead , goof , goofball , jackass , twat , zany , goose fool , muggins , saphead , tomfool , sap - a person who lacks good judgment

2. Bozo: 1 n a man who is a stupid incompetent fool Synonyms: cuckoo , fathead , goof , goofball , goose , jackass , zany Type of: fool , muggins , sap , saphead , tomfool a person who lacks good judgment n an informal term for a youth or man Synonyms: cat , guy , hombre Types: sod an informal British term for a youth or man Type of: adult male ,