have legs

present singular third person has legs · participle present having legs · participle past had legs · past had legs

1. idiomaticoften with on or toTo have endurance; to have prospects to exist or go on for a long time.

   have some legs

   5 more examples

   Near-synonyms: carry on, endure, hold up

   have long legs

   That scam had some pretty long legs to it.  [It lasted a pretty long time.]

   Your plan will tell you if your idea has legs and is viable.

   2007, Pete Williams, How to Turn Your Million Dollar Idea Into a Reality (from the Man who Sold the MCG), Milton, Qld.: Wrightbooks, →ISBN, page 68

   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.

   2011, Larry Garrison with Wallace Wang, Breaking Into Acting for Dummies, New York, N.Y.: Wiley Publishing, →ISBN

   Synonyms: carry on, endure, hold up

2. nauticalTo have speed: to be fast (be quick).
3. Used other than figuratively or idiomatically: see have, legs.