goofball

Nouns

(n) a man who is a stupid incompetent fool bozo, cuckoo, fathead, goof, jackass, twat, goose, zany,
(n) a person who amuses others by ridiculous behavior merry andrew, buffoon, clown, goof,

Synonyms

bozo cuckoo fathead goof jackass twat goose zany merry andrew buffoon clown

Words of close approximity