Name meaning beautiful in Greek. Very original and unique. Pronounced like Kayla. This is a rare name. Callas are amazing athletes and very sexy and confident girls, but can be a total bitch. She's also extremely funny and crazy. All the guys, and some girls secretly want her. She's very outgoing and great in bed.
Guy 1: "Have you seen that hot chick Calla?"
Guy 2: "Yeah, never heard a name like that before."