Here is a joke which a (seemingly) sweet little old lady told me before a show a couple weeks ago:
What’s 6 inches long and makes women smile?
… … A $100 bill.
What’s 18 inches long and makes women scream?
… … Crib death.
Stay classy, Grandma. Stay classy.
You can read more jokes I’ve been told on the joke page of my website, here. Enjoy!