Disco ball vampire
A failed attempt to improve a tried-and-true idea by putting your own spin on it. Derived from the concept that in the Twilight series, vampires sparkle like a disco ball in the sunlight rather than burning up.
Friend one: Dude, I've got this great idea for a website! It's like facebook, but with embedded MP3's.
Friend two: sounds like a disco ball vampire.
Friend two: sounds like a disco ball vampire.