from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A stupid person
Sorry, no etymologies found.
He's a dumbnut and shouldn't be allowed to cross the street by himself.
But the non-English speaker are most of the time prettier and thats the only thing that matters in this case ;- The less time you have the less changes to appear as dumbnut.
One time when we were cleaning out his room we found a huge jar of pennies and spare change, one of those water jug things made of glass, and the dumbnut nearly sliced his finger off when he smashed the mouth of the jar into the tile floor in an attempt to break it open.