doofus

American  

[doo-fuhs] / ˈdu fəs /

Or dufus

noun

plural

doofuses

1. Slang. a foolish or inept person.

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doofus British  

/ ˈduːfəs /

noun

1. informal a slow-witted or stupid person

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Etymology

Origin of doofus

An Americanism daing back to 1960–65; probably alteration of earlier goofus in same sense

Example Sentences

Blake Lively referred to Justin Baldoni as a "doofus director" and a "clown", according to newly unsealed court documents from the actress's legal case.

From BBC

Those doofuses on YouTube, spinning out in their jumped-up Ford Mustangs?

From The Wall Street Journal

Its crusader is a magnificent doofus trying to improve himself.

From Salon

Chubbs is a golf pro who takes it upon himself to coach Sandler’s eponymous doofus, a hockey player wannabe with talent for the more demure sport.

From New York Times

Particularly well served by the writers are Doi, the resident mordant wit, and Donovan as the doofus — in Kutcher’s old job, basically.

From Los Angeles Times