Definitions
1.AdjectiveOf or like a goon; thuggish; brutal.
2.AdjectiveSilly, crazy, foolish, stupid, or awkward."After their prank was successful, the friends wore goony smiles on their faces for the rest of the day."
3.Nouna goon; a foolish, stupid, silly, or awkward person.
4.NounAlternative form of gooney (gooney bird, the black-footed albatross).