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A conjunction of the words 'prefabricated' and 'fabulous'. Used mostly in reference towards popular icons in the entertainment world who are popular, despite being created by production companies and acting agencies.

See also: Simple Plan, Paris Hilton, and Chad Michael Murray.
"Your cellophane countdown/ Your brand-new Elvis is/ Totally prefabulous."
--Championship Vinyl - "Scapegoat"
by the poindexter punk January 01, 2005