Wiktionary
out of shape
a. (context idiomatic English) physically unfit
Usage examples of "out of shape".
Some were amusing, some almost beautiful, and one, a woman all drawn out of shape, hurt the old man by her grotesqueness.
Tom Simpson hadn't been out of shape as a nose guard for West Virginia University's varsity football team.
With all the blood on Karl's hands, I can't imagine him often getting bent out of shape over a boat or two.
Crush humanity out of shape once more, under similar hammers, and it will twist itself into the same tortured forms.