P.T. Barnum didn't have this actress' leg to stand on when she refused his $10,000 offer for it
Barnum is usually cited as the one to have made the offer, he 
had... [DOC] [TLE] Rolls off the Tongue, DOESN'T HAVE A LEG TO STAND ON Origin ... [PAR] DOESN'T HAVE A LEG TO STAND ON Origin: Late 16th Century - British English.