This photo tells a cautionary story. If you see one of these on your desk, be very concerned about your career choices.
If your boss leaves one of these on your desk, maybe it's time to move your resume around. I would also hide the cup in a dark cupboard.
Another clue that you're not going to be getting the corner office: Your supervisor says, “We're going to need you to come in this weekend, to work on those TPS reports”