I think I qualify now for old fart jokes seeing that I am 50 now. Here’s a cute one:

Going the Wrong Way

As a senior citizen was driving down the freeway, his cell phone rang. Picking up, he heard his wife, her voice high with anxiety, warn him, “Henry, I just saw on the news that there’s a car driving the wrong way on Highway 880. Please be careful!”

“One?” replied Henry, “You’ve got to be kidding me. I see at least a hundred!”