1. Buy boxes of orange juice, almost past their expiry date.
2. Put boxes on the hot office windowsill for a few weeks.
3. Cool down juice in fridge.
4. "Hey dear coworker, would you like a refreshing juice box on this hot spring day?"
5. Watch coworker retch and vomit, spitting blue-grayish juice over his desk, crying: "Why would you give me old moldy juice without checking the date?"
6. "Do you remember when you told me you didn't have time for unit tests? THIS IS WHAT HAPPENS, DAVE, THIS IS WHAT FUCKING HAPPENS WHEN YOU DEPLOY UNTESTED CODE.... NOW FINISH YOUR JUICE!"