Lunch Mutiny
When a group of co-workers decide on a destination for lunch, only to find that a few select members of the group have decided to go elsewhere. These individuals inform the original organizer typically as the excursion begins, i.e. on the way out the door or while in the car.
Laurie about threw a punch when she found out that her trip to dine at the elegant Thai restaurant was the subject of a lunch mutiny to Five Guys Burgers by Tyler and Brad.