to show that something is true through your actions
He says the team will be just as good without Groncki as they were with him, but we'll have to see if the team can walk the walk. Usage notes: sometimes used in the full form talk the talk and walk the walk ( to say something that appears to be real or true and show it is real or true through your actions): Most of these guys say they have religious beliefs, but only a few of them can talk the talk and walk the walk.