put on some flesh

Try to eat well and put on some flesh so you will have the strength to endure any treatment which she may feel is needed."

The horses began to put on some flesh.

She had been a lanky girl, somewhat plain; now she had put on some flesh where it counted and redone her hair, and looked more like a woman.

Even the Harper was tall and while R'mart had put on some flesh over the past few Turns, he was certainly not as massively built as the Smith.