Yes, I actually, have. First time I heard it it was on Valentine's Day. I watched some kind of TV report about a new way to celebrate this holiday. Basically, these parties are held in a spa resort- by the swimming pool with a DJ and that sort of things.
Sparty is a term for a themed spa party It is also the mascot of Michigan State College, It is the nickname for the spartan statue. (Greek warrior) One of the team supporters dresses in a spartan costume with an huge head to entertain during sports games and other college functions..