An interjection used to express disbelief and confusion, often on an extreme scale. It is most fun said out loud. A question mark following after may convey additional surprise.
"Jeffery, guess what! I rescued our good son George from the trash can!"
"Hubbadubbadawah?"
this word is to be used when someone is different and odd and very cool but remember the person has to be DIFFERENT.And a hubadub likes music like rave, indie , and music like that