as some of you may know, i subscribe, via: email, to Urban Dictionary
1) to be completely enamored with someone/something.
2) the flighty exciting feeling you get when you think about/see the object of your affection.
3) romantically excited
4) the ever increasing acceleration of heartbeat and body temperature as a result of being engulfed amidst the exhilaration and joy of being/having a romantic entity in someone's life.
i thought this was a hilarious coincidence...