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2.
Beauty is a characteristic of a person, animal, place, object, or idea that provides a perceptual experience of pleasure, meaning, or satisfaction. —Wiki

To be beautiful is to be full of beauty. The word "faux" is French for false, or fake. To say something is beautifaux is to say they are "not beautiful", "of fake beauty", etc.
"She's beautifaux!"
by 3mpty June 01, 2009
 
1.
pronounced: beauti fo'
Refers the phenomenon when an ugly hoe tries to look good by wearing excessive amounts of make-up or slutty clothes.
Why does that girl wear SO MUCH blush? And her face looks cakey orange; she's so beautifaux!
by elzzi October 18, 2005