From the stage I've seen people of all ages absolutely roaring at really good toilet humour.
“I am in love - and, my God, it is the greatest thing that can happen to a man. I tell you, find a woman you can fall in love with. Do it. Let yourself fall in love. If you have not done so already, you are wasting your life.”
“John Ashcroft is not a patriot, John Ashcroft is a descendant of Joseph McCarthy.”