One who is a devoted fan of The Fab Faux, a Beatles tribute band.
One who goes to all or most of The Fab Faux concerts.
One who follows The Fab Faux wherever they're performing, like the Dead Heads of the Grateful Dead.
One who thinks The Fab Faux is the cat's meow.
Boyfriend: Do you want to get tickets to the upcoming Fab Faux concert?
Girlfriend: I purchased them months ago!
Boyfriend: You're such a Faux Haux!