As a teenager I worked on a farm one summer. I used to talk to an old guy after work. He was hard of hearing. When the old guy didn’t hear me , but didn’t want to acknowledge the fact, he would say, “That’s no joke,” after my remark.
But some of the time I WAS telling a joke.
Dr. Larry day is a retired J-School professor turned humor writer. His book, Day Dreaming: Tales From the Fourth Dementia is available for purchase via his website: http://www.daydreaming.co