goony

Short definition from Wiktionary

Adjective

1. 1
   Of or like a goon; thuggish; brutal.
2. 2
   Silly, crazy, foolish, stupid, or awkward.

Noun

1. 1
   a goon; a foolish, stupid, silly, or awkward person.
2. 2
   Alternative form of gooney (gooney bird, the black-footed albatross).