The Grand Emir was unused to the salt in American foods (french fries, cheeses, salami, anchovies ets) and was constantly sending his man-servant Abdul to fetch him a glass of water.
Time and again, Abdul would scamper off and return with a glass of water, but then came the time when he returned empty-handed.
“Abdul, you son of an ugly camel, where is my water??” demanded the Grand Emir.
“A thousand pardons, O Illustrious One,” stammered the wretched Abdul, “white man sit on well.”