It has legs

Posted by Joel on September 02, 2001

There is a reasonably common phrase, "[something] has legs." I'm wondering if it means, figuratively, that something is strong, agile, or has endurance.

Does anyone know for sure which is meant? And, out of curiosity, what's the derivation.

• It has legs masakim 09/02/01
• It has legs Bruce Kahl 09/02/01
  • It has legs joel 09/03/01
    • Legs, endurance R. Berg 09/03/01