What is the funniest joke you've been told that you still think about to this day?

“So am I. And from where in Ireland might you be?” says the first.

At that point, a woman enters, stands at the other end, and orders a drink. Brian, the bartender says, “Oh, Vicky, it’s going to be a long, tiring night.”

“Well, to St. Mary’s, of course.”

Why am I losing interest to get a job and to all my desires because of this spiritual awakening? How do I get through life because of it?

The first fellow is now beside himself. “The good Lord must be smiling on us. Imagine that the two of us should be meeting here, having grown up on the same street, gone to the same school, and graduated in the same year.”

“The Murphy twins are drunk again.”

“Now why would you be saying that, Brian?”

What is your biggest mistake or regret?

“Yes, that I am,” says the second.

“Faith and begorrah. What a small world. So did I. And to what school would you school would you have been going?”

“Oh, let me see now. ’Twas 1964, it was.”

Why can't I lose weight?

I’m from Dublin, I am.”

“As did I,” the first bloke says, getting very excited. “And what year did you graduate?”

“A lovely little area of the old part of town, McCleary Street.”

The world of the Harry Potter series is usually considered bad worldbuilding. What are some examples of actually good worldbuilding in the books/movies?

Two blokes are sitting at the end of a bar. One orders a drink. The other one says, “From your voice, I’d guess you’re from Ireland.”

“Mother Mary. And on what street in Dublin did you live?”