Er hat sich in ein Muffin verwandelt.
“Sure, my son has put on a little weight over the summer. But you want to let him enjoy his summer, don’t you?”
He’s turned into a muffin.
It's great that you're well equipped for your swimming vacation, but isn't this swimming ring a bit over the top?
If you drink beer and cocktails in the evening, Diet Coke is of little use. You've already packed a fair amount of flab onto your hips.