There is no Dana, only Zuul.
A statement said in reference to a female that was previously hot but currently is not, possibly due to intoxication or simply by letting herself go.
Your friend introduces you to a girl at the club and says, "Yo bro, this is Stacy, the chick from high school." After politely saying "hello," you turn to your homeboy and say, "There is no Dana, only Zuul."