A Spa-roos is a singular organism that wanders around the abyss of a certain internet site where it stalks among unsuspecting victims to show off it's amazing ability in douche-baggery. It could also be found lurking amongst random players where it can unleash it's super powers of complete and utter sexyness. Many woman players of this site have hard core fan-gasms over this singular organism called a Spa-roos.
Fangirl: Oh my goodness, did you just see that?
Fangirl2: Yea. I believe that it was a Spa-roos
Both: * gasm *