He is not necessarily a "bonehead," but this phrase, like "fathead," is no accident.
And what do you suppose this fathead has the front to spring on me?
The fathead minnow was ubiquitous, and was dominant at several stations on the smallest creeks.
And he was on to me again about it when we came back, and called me a fathead, he did.
Think of what every fathead princeling and beer-swilling ritter from here to Basel would say!
Sure enough, Nimms had it stowed away; and the fathead hadn't said a word about it before.
A stupid person; blubberhead (1842+)