noun, plural doo·fus·es.
Origin of doofus
Examples from the Web for doofus
I hope that its success encourages others to look beyond the tired “doofus dad” tropes.
As for the current team ... Mitt Romney: too much of a doofus.Squishes, Step Aside: Ted Cruz and Chris Christie’s Old-School Manliness|Michelle Cottle|May 13, 2013|DAILY BEAST
To this point, the Delaware doofus always seemed cloaked in an invincible air of likeability.Joe Biden’s Rude Debate Laughter: The Joke’s on Him|Michael Medved|October 12, 2012|DAILY BEAST
“OK, I feel like a doofus, but I cried through like half of that thing,” she admitted.
Word Origin for doofus
student slang, "dolt, idiot, nerd," by 1960s. "Dictionary of American Slang" says "probably related to doo-doo and goofus."