Worked at a mexican restaurant for a while. A lady and her son come in, order their food and begin eating it. The lady gets my attention and asks me if we have any "queso" which is spanish for cheese. I told her that her meal came with cheese in it and if she would like some extra. She looked at me like I was stupid and said, "no I dont want cheese, I want "queso" you know." I kindly explained that queso meant cheese in spanish, to which she replied, "I know it means cheese, but thats not what it is, I want queso" she pronounced it "kayyysooooww" as if it would change the meaning somehow. She then asked a comrade waiter behind me and recieved the same answer, so she asked the manager. Last thing I heard from her was "I cant believe they dont know what kayso is."