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Webster 1913 Edition

Adj.

With well-proportioned, unblemished limbs;

as, a

clean-limbed

young fellow

Dickens.

clean-limbed ‎(comparative more clean-limbed, superlative most clean-limbed)

(dated) Having a slender, athletic physical frame.
- 1898, Gertrude Atherton, The Valiant Runaways
  He was big and clean-limbed and sinewy, with small cunning eyes, a resolute mouth and chin, and an air of perfect fearlessness. Roldan warmed to him, and looked with admiration and envy at the muscles on his splendid limbs.
- 1921, Munsey's magazine: Volume 71
  He was one of those clean-cut and clean-limbed men that young girls like to dream about — frank, honest, and with a keen sense of humor — for a man.