thick-headed

As a measure of just how extreme D. xiezhi’s headbutting morphology was, consider this comparison: Pachycephalosaurus was a dinosaur famous for headbutting—its name means “thick-headed lizard”—but dinosaur experts that Meng and his colleagues consulted with confirmed that D. xiezhi’s unique head and neck structure probably permitted it to withstand even more force.

Who could have seen through such thick-headed nonsense?

With a crew that thick-headed, nothing short of simple English will do - and the governor delivered it on Friday:

Alabama Republican Senator-elect Tommy Tuberville, the thick-headed former college football coach, has suggested he will join Brooks.

Also gone is their thick-headed collie mix Murray, replaced by a lanky mixed breed dog they decide to call Walter.