English

Definition of doofus noun from the Oxford Advanced Learner's Dictionary

 

doofus

 noun
noun
BrE BrE//ˈduːfəs//
 
; NAmE NAmE//ˈduːfəs//
 
(North American English, informal)
 
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a stupid person Word Origin 1960s: perhaps an alteration of goofus, ‘a foolish person’, or from Scots doof ‘dolt’.
See the Oxford Advanced American Dictionary entry: doofus