- (idiomatic) To have endurance; to have prospects to exist or go on for a long time.
2007, Pete Williams, How to Turn Your Million Dollar Idea Into a Reality (from the Man who Sold the MCG), Milton, Qld.: Wrightbooks, ISBN 978-0-7314-0575-6, page 68:
- Your plan will tell you if your idea has legs and is viable.
2011, Larry Garrison; Wallace Wang, Breaking Into Acting for Dummies, New York, N.Y.: Wiley Publishing, ISBN 978-0-7645-5446-9:
- The longer a film plays (which, in show business terms, means that the film has legs), the more the theater gradually earns from ticket sales.
- (nautical) To have speed.
- Used other than with a figurative or idiomatic meaning: see have, legs.