I think that is one 'Yeah' for each of the last three tours that LC has had to moderate spoiler problems. At a minimum 

It's his James Hetfield impression.triple yeahs is rarely good![]()
You can't say 'Yeah' and not think of Hetfield.
Halford?That'sah almostah asah annoyingah asah endingah everyah wordah withah ah. Youah knowah whomah I'mah talkingah aboutah.