A beautiful female who is slightly goofy and really crazy in all areas of her life; never forgotten and always lovable.
The defition of Kayla has changed dramatically over time to rest at the above definition. The word "Kayla" is actually derived from a Greek mythology female deity who would prey on innocent men in the way of a dinner whore. The deity had one fatal weakness: a hysterical male deity by the name of Ross who only had to speak her name to suppress Kayla's alluring powers.
The girl I went out with last night was such a Kayla, but for some reason she hasn't called me back; I even paid for her dinner!