out of shape
(idiomatic) physically unfit
Antonym: in shape
Pressed into service means pressed out of shape. Robert Frost
I think that by staying out of shape at the age of 33 I'm doing myself a huge favor for my future. There will never be anyone commenting on how I've 'let myself go.' I've gone. It's gone. It's not going, it's GONE. Janeane Garofalo
There are a lot of great athletes who stop working out, and they get out of shape like everybody else in their 30s and 40s. Dolph Lundgren
I began running on an everyday basis after I became a writer. As being a writer requires sitting at a desk for hours a day, without getting some exercise you'd quickly get out of shape and gain weight, I figured. Haruki Murakami
While one who sings with his tongue on fire Gargles in the rat race choir Bent out of shape from society's pliers Cares not to come up any higher But rather get you down in the hole That he's in. Bob Dylan
Irish poets, learn your trade, sing whatever is well made, scorn the sort now growing up all out of shape from toe to top. William Butler Yeats