We had a bus driver for one of our competitions and he was a fairly overweight guy. We had him previously around St. Pattys day and he was singing irish drinking songs over the intercom the whole time, pretty funny. He had a slew of jokes on our trip but here’s the one I thought was the best.
Anyway somehow a conversation between him and our coach got to obesity when they were talking about cross country running. Anyway this is what he told us, it’s pretty quick so pay attention! 
Fred was talking with one of his buddies and they too got on the topic of being overweight and maybe going to workout at the gym.
** Fred: Yea I know, obesity runs in my family.**
[spoiler=comeback]His Friend: Dude, no one runs in your family![/spoiler]