Did you mean goofball?
goofball
noun
°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."
°A pill or tablet containing a pharmaceutical which has hypnotic or intoxicating effects, especially a barbiturate.
adjective
°Silly.
"He announced, with his usual goofball humor, that he'd like to marry me!"