A female fan of an actor and/or fictional character. Usually between the ages of 12-14. Is known to utter high-pitched sounds whenever the object of their obsession's name is mentioned. Claims that, "IM reelly gona marry him cuz we R ment 2 b!!!!!!!11111!!!!!!@#$347903458134!@!@!" Uses excessive amounts of punctuation. This condition is usually just a phase and doesn't generally last extremely long. However, in the more severe cases the fangirl can go on in her fangirlyness for years on end.