Too clever to leave in the Babbler's comments
Well, not really, but here's a riddle:
Me: "Hey Peter, what's the difference between party principles and election promises?"
Conservative MP Peter Van Loan: "I don't know."
Me: "No shit."
I quite liked this one from N = 1, where apparently I am a Full Professor:
What, is it 2006 already?
And one more for the road:
Q. What did one billionaire say to the other billionaire?
A. You're out of Peter Mackay's league. And isn't this chocolate Semi-Freddo divine?
I don't think Frank J. is looking over his shoulder quite yet.