After explaining something stupid to your server, don't be surprised if he or she pauses before responding or asks you to repeat what you said. He or she is not pausing or wishing to hear your stupid words again because he or she does not understand.
WE UNDERSTAND.
We are pausing or asking for a repetition of your words because you are stupid. If we however let on that we think you are stupid we could get into trouble.
P.S.: I am smarter than the very simple man who treated me like an idiot last night.