doofus

or du·fus

[ doo-fuh s ]
/ ˈdu fəs /

noun, plural doo·fus·es.

Slang. a foolish or inept person.
Compare goofus.

Origin of doofus

1960–65, Americanism; probably alteration of earlier goofus in same sense

Example sentences from the Web for doofus

British Dictionary definitions for doofus

doofus
/ (ˈduːfəs) /

noun

informal, mainly US a slow-witted or stupid person

Word Origin for doofus

C20: from Black slang