A McCreerian is someone who is a fan of American Idol Season 10 winner, Scotty McCreery. He is a seventeen-year-old (as of 2011) country singer who is known for his deep, abnormal voice. McCreerians are typically teenage girls, but can range from any age.
Duh, it's because she heard the voice of Scotty McCreery, so now she's a McCreerian!
by Danis2014 June 16, 2011