Eshta (clotted cream)

Eshta figures prominently in many of the Egyptian Ramadan desserts, like qatayef for example. Basically, it is the layer of cream that rises to the top when you heat the milk.

Source: Ethnic Gourmet

Eshta is equivalent of "cool" or "sick", when something is fabulous, you say it.

Here is a recipe from Beirut on how to make clotted cream.
For more information on varieties of yummy creamed dishes, read this nice article from the Washington Times on creme de la creme.