Wrestling star Cody Rhodes got a HUGE assist from T-Pain during his AEW match Wednesday -- getting a steel chair from the artist that he used to smash his opponent with!!
The wild scene all went down during Rhodes' insane "Dynamite" match with Andrade ... when Rhodes spotted Pain in the Atlanta crowd.
Rhodes -- who's buddies with the "Buy U A Drank" crooner -- went over to embrace the musical genius mid-match .