No, we would not describe another person as a fat, smelly man or woman, but it has always been acceptable to describe people as old or young.
It doesn't worry me. For the last three days, I have been trying to dig a potato patch by removing turf from an overgrown stretch of garden. Said patch is meant to be 6 ft by 10. Forty years ago, it would have taken me at the outmost two hours to remove turf and another two to dig over the soil. Right now I have done half.
The job has taken me twice two hours, and I am thankful that it has poured all day, and I had a visit to the dentist and some shopping to do, so no gardening.
I know I am old when I take on that sort of task, if I didn't realise it before - but needs must when the devil drives and with the rising prices a potato patch seemed like a good idea.
But ouch my back!