Being that I am a Southern boy from Gatorland (and other points all along our fine Gulf coast), I can say with some degree of expertise that the proper way to say it is:
"Aw HEYelllll Yeah!"
62 posted on 10/13/2017 6:27:11 PM PDT by 60Gunner
(The price of apathy towards public affairs is to be ruled by evil men. - Plato)