When the bread is done baking and taken out to cool, the base of the loaf is overcooked black and also dirty. The top of the loaf is done just right, and still clean. The bottom of the loaf is for the servants to eat, while the upper crust is for the master of the house.
For other expressions the link is provided below.
from Shalespeare - Ariel's song in The Tempest
The 48 degree longitude longitude line separates the U.S and Canada. So being int the "Upper 48" means your in Canada.
The expression "by George" is a mild oath or exclamation from the late 1500s. The word "George" is a substitute for "God," as are words like "golly," "ginger," "gosh," "gum," and so on in euphemistic oaths.
The origin of the term 'got dibs' is unknown. Dibs was a game similar to jacks, and the term also referred to money.
It's a way of being out in the game of Cricket. (One of 11 I think...) If the Wicket keeper removes the bails when you are out of your crease then the Umpire (The one at square leg in this instance) will raise his index finger & you are out.
Crust and the upper mantle
The crust and upper mantle.
Upper Crust Pizzeria was created in 2001.
Upper Crust - restaurant chain - was created in 1986.
If you are using the term 'upper crust' euphemistically and not to refer to bread or pies, then the upper crust is made of aristocrats. If you mean the upper part of the earth's crust, then it is made of the lightest elements from which the planet is made (silicon, aluminum etc).
lithosphere
Earth's crust and brittle upper mantle is called the lithosphere.
For the Upper Crust - 1903 was released on: USA: April 1903
The crust is the layer at the surface that forms the upper part of the plates. The plates also include a portion of the upper mantle just beneath the crust. Together, the crust and this upper portion of the mantle form the lithosphere.
The Upper Crust - 1917 was released on: USA: 25 June 1917
Together the crust and upper mantle make the lithosphere.
Large segments of the crust and upper mantle known as the Lithospheric plates.