During the premiere of American Idol, Noah Davis, a contestant from Arkansas, used a word that had many people scratching their heads.

While explaining his story to the judges, he finishes by saying 'Wig.' Katy Perry replied and instantly knew what he was saying while Lionel and Luke were a little confused.

So, what on earth does "Wig" mean?

Luckily for us, Katy Perry did an interview with Jimmy Kimmel and explains: