A sweet, caring, charming, fun to be around girl. People are instantly attracted to her, and want to be her friend because she is so charasmatic, beautiful, funny, and generally awesome to be around. Girls lucky enough to be named Alycia are very intelligent, well-spoken, talented, and loveable.
guy1: omg, who is that girl who just walked in?
guy 2: O that's Alycia, isn't she gorgeous?
guy 1: dude, introduce me, I have to meet her, I can tell she's a one in a million type of girl.