Here's TWO-FER. A little long for a Dad joke, but I do feel they fit the "Zone"
A man is on his first visit to Boston, and he wants to try some of that delicious New England seafood that he'd long heard about. So he gets into a cab, and asks the driver, "Can you take me to where I can get scrod?" The driver replies, "I've heard that question a thousand times but never in the pluperfect subjunctive."
An Irishman goes to a building site for his first day of work, and a couple of Englishmen think, "Ah, we'll have some fun with him!" So they walk up and say, "Hey, Paddy, as you're new here make sure you know a joist from a girder..." "Ah, sure, I knows" says Paddy, "twas Joyce wrote Ulysses and Goethe wrote Faust."
