out of shape
1. Not in good condition; not able to perform well.
Father was out of shape when he took a long hike with the boys, and he was stiff and sore the next day.
Jack's pitching arm got out of condition during the winter, when he wasn't using it.
Compare: OUT OF PRACTICE.
2. Not look the same; changed.
Someone sat on father's new hat and mashed it. It is now out of shape.
Contrast: IN SHAPE.