bonehead

If you weren't such a bonehead for doing what you start out to do, we could do something interesting.

What the Americans call a bonehead became what the English call a hard-headed man.

"Plenty of bonehead plays in those days as well as now," murmured Tom.

So accept the complimentary comparison—if it fits—which maybe it doesn't, you egotistical bonehead.

There's no harm will come of it, but only good, if I'm not a bonehead from Bonetown.