There's no harm will come of it, but only good, if I'm not a bonehead from Bonetown.
Scotty, under his breath, began heaping curses on himself as a bonehead, and tried to take it out on the wrench he was using.
What the Americans call a bonehead became what the English call a hard-headed man.
If you weren't such a bonehead for doing what you start out to do, we could do something interesting.
Her slender stock of money which she had in her purse on leaving Mr. bonehead's office was almost consumed.
Don't pull any bonehead plays that'll get these people down on you.
He is not necessarily a "bonehead," but this phrase, like "fathead," is no accident.
“Made it soaking wet, bonehead,” came the sleepy reply, and Tom vanished.
He drew it aside, and there stepped forth Mr. bonehead, the old lawyer who had cast Winnifred upon the world.
And to think that he chose this moment to pull that bonehead play!
: I should have been in bonehead English
A stupid person: four sons, all bone-heads
[1900s+; fr the notion of the head being all bone,no brain]