according to world english dictionary shaft is a slang term meaning "to have sexual intercourse with" and Sack as in a Ballsack a.k.a Your Testicles inside your Scrotum, so Shaft My Sack Means "To Be Intimate/Sexual With Ones Testicles"
Your Doing Real Good In COD So At The Lobby You Say to Them Shaft My Sack
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)