P.K. in sentence



Could you please tell me what is PK here?

"“Aye, fascinating,” he answered. “I can’t think why he didn’t plant corn, but then, what do I know about farming? Other than the mud and rain, of course. Now Scotland, on the other hand, sheep are suited there. I know you don’t care for it, P.K., but I like a good, green hill dotted with sheep.”" Liz Carlye, Wicked All Day

I checked the meanings of PK here, but i couldnt find something suitable for this sentence..
  • DocPenfro

    Senior Member
    English - British
    I suspect that it is the initials of the person to whom he is speaking; possibly his name is e.g. PK Smith. It is a way of addressing somebody whom you know fairly well: less formal than "Mr Smith" but more formal than "Peter".
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