The life of an office worker can be pretty boring. Sitting at the same desk day in and day out, while filing paperwork and whatnot, can become unbelievably monotonous. So, it’s no wonder that office pranking has become an art form! Whoever set up these 15 ultimate office pranks must have had plenty of time on their hands. They also must have been feeling pretty evil, too! Check out how they take ‘playing a joke’ to a whole new level!