A disorder afflicting otherwise healthy people which perverts their judgement and taste until they like the music of Kenny Chesney; thereby believing he is actually talented and a "star".
Aggressive treatment for the disorder is indicated: including forcing the victims to listen to hours of recordings by quality male country singers; then having them compare those recordings to that of Kenny Chesney.
Some respond to treatment, but the current success rate of agressive treatment is only about 25 percent. Sadly, the disorder is too advanced in many patients; and they continue to live with the mild dementia.
"My friend Mario is a victim of Chesneyism. When a Kenny Chesney song plays, he gets all pumped up and wants to open a Bud Light. He's hearing things that are not there ... "