thickskull

Etymology

From thick + skull.

thickskull means A dullard; a blockhead. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

A dullard; a blockhead.“the dullwitted pair began to think of redeeming their turbans, and in spite of the entreaties of Agib, being very obstinate, as such thickskulls usually are, they went forth on that errand.”