(I witnessed from one of the checkout lines.)

Customer: “Do you have COD 4?”

Employee: “Call of Duty 4? Yes we–”

Customer: “No, no, no, not Call of Duty 4. COD 4!”

Employee: “Sir, COD 4 stands for Call of Duty 4…”

Customer: “No, it doesn’t! The customer is always right! Now bring me a copy of COD 4 right now!”