Ronda Rousey BLASTED BY BOXING LEGEND, You're a Bad Role Model & Stupid

Ronda Rousey just got verbally annihilated by a female fighting goddess -- ex-boxing champ Christy Martin who ripped Ronda for being a bad role model, a bad champion and an idiot.

48-year-old Martin -- one of the greatest female boxers of all time -- went off on Rousey to FightHype.com ... saying she wishes she was 10 years younger so she could teach the UFC superstar a lesson.

Check out why Christy thinks Ronda will never set foot in the Octagon again ... despite having a scheduled fight in December.