goofball

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[edit] English

goofball (plural goofballs)

(informal, derogatory) A foolish or silly person.

If that goofball would put half the effort into her studies as she does into her juggling, she might do very well.
(informal) A pill or tablet containing a pharmaceutical which has hypnotic or intoxicating effects, especially a barbiturate.
- 1953 April 27, "Capsules," Time:
  
  Strong Cobb & Co. of Cleveland announced a new barbiturate which in overlarge doses will turn the stomachs of "goofball" addicts and would-be suicides.

goofball (not comparable)

Silly.

He announced, with his usual goofball humor, that he'd like to marry me!