Vansaile Have a Nice Day Coffee Mug Middle Finger coffee mug

Are you a prankster? Do you hate someone at work? Then this is for you. At first, this coffee mug makes you look like a nice, friendly coworkers.. until you take a sip that is and reveal what you really think. If you have extra guts then you can do this after your boss gives you an extra assignment just when you were ready to home on Friday afternoon.