Fogey

I'm an experienced fogey in tiredness.

[T]he old fogies, as you call them, at Bays’s, are some of the first gentlemen in England, of whom you youngsters had best learn a little manners, and a little breeding, and a little modesty.

"You've heard of him, of course?" "I'm rather an old fogey, as Caroline tells me," I said, "but I have just heard of him."