numskulled

I have known him to solemnize his whole audience, a few numskulled negroes alone excepted.

You silly, awkward, ill-bred country sow," quoth one, "have you no more manners than to rail at Hocus that has saved that clod-pated numskulled ninny-hammer of yours from ruin, and all his family?

Ask his craven, numskulled lordship.