Joe Dirt is a janitor with a mullet hairdo, acid-washed jeans and a dream to find the parents that he lost at the Grand Canyon when he was a belligerent, trailer park-raised eight-year-old.

Miley Cyrus, who is currently sporting her own blonde mullet, asserted that she should ... Spade as David Spade — he refers to him as ‘Joe Dirt.’” ...