thick-skulled

Although the practice likely is infrequent, it would help to more easily take down the huge, thick-skulled animals.

“You know,” she said quietly, “my husband has a very hard head. He’s stubborn and thick-skulled.”

We were suckers for the shovel merchants, who were much cleverer than the thick-skulled “innovators” who did all the work while trading away the rewards.

He was hunched up in his chair, his thick-skulled, heavy head hung forward.

In one of his most memorable movie roles, as the thick-skulled cowpoke Mongo in the 1974 comedy “Blazing Saddles,” Karras said, “Mongo only pawn in game of life.”