jackass
jack-ass
noun
A foolish, stupid, or idiotic person, often behaving annoyingly.
"Don't be such a complete jackass."
noun
A male donkey, typically known for its stubbornness.
"The farmer's jackass refused to budge."
Thesaurus
Synonyms: fathead, goofball, goose, cuckoo, twat, zany, bozo, goof, jack