Meanings of blockheaded in English

Foreigners and foreigneering Englishmen say it is blockheaded denseness.

As Bishop of York but died in disentry in a church on his way to be blockheaded.

Do tell us about her; I've been so blockheaded I couldn't put two and two together, but I'm beginning to see daylight at last.

Men are rather blockheaded on the subject of fashion, and seldom see the charm in the innately unbecoming and unsuitable, no matter what decrees it.

Blockheaded, stubborn lot, every one of them.

"Even our own blockheaded trailer-trash in-law kin."

"I told her I needed something to threaten my mate with when he got blockheaded, and she said, why not a block for a block?"