You may be bored, but it's in your best interests to ignore the urge to stir up trouble just for the fun of it. If you insist on acting silly, you'll have to do it alone. Your coworkers are too busy being adults to share your current mood. Besides, you have your professional reputation to think about. How would it look if the boss walked in and saw you behaving this way? Tonight there are no absolutes in a gray area. Try to appreciate subtlety.