Am I missing any?
Valid:
Diehard BYU (went to school, or just like their sports) - hates Utah
Diehard Utah (went to school, or just like their sports) - hates BYU
Annoying:
BYU fan because I'm a member of the church
Utah fan because I hate the church
BYU, but cheers for anyone in the state, even Utah
Utah, but cheers for anyone in the state, even Utah
Trash:
The Romneys (flip floppers)