goof·ball 
(gfbôl′)
(gfbôl′)n.
1. Informal
a. A playful, silly, or outlandish person.
b. A foolish, incompetent, or stupid person.
2. Slang A barbiturate or tranquilizer pill, especially when taken for nonmedical purposes.
adj.
Informal
Informal
Silly or outlandish: "Underneath his goofball braggadocio lies a kind of purity" (David Ansen).
- Georg Wilhelm Friedrich
- geoscience
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