A metaphor in Americanslang that refers to the inner workings of a system that are only understood by the experts. To understand Inside Baseball Stuff, one must have specific knowledge of the subject discussed that is not generally understood by outsiders.
What's the purpose of this email notification? I thought the issue was resolved last week or is this just Inside Baseball Stuff?
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)