A pale white person or object, with a mental handicap. first used to describe: "The Moon" from the famous radio/television series The Mighty Boosh. Therefor most apt when used as an adjective to describe satellites with gypsum like properties, but has rapidly found it's way into common usage in the English language.
Tony Harrison: " I took a chance, how was I to know he was an alabaster retard"
by KingoftheImpossible April 04, 2006