The term "Leyla" originates from the Turkish forefathers meaning "Angelic Beauty". Combined with the term "Clart"(Blood) creates a new word meaning "Angelic Beauty by Blood".
This commonly used term is one which may either be seen offensive by an unwilling receiver, or a opinionated compliment of great meaning.
Other boy: Yeah, she sure is.
Girl: Argh! How comes your such a Leylaclart?
Receiver: Excuse me?
Girl: How comes your so beautiful?
Boy: Wow. You truly are a Leylaclart.
Girl: Awww thanks!
Cenk: Leylaclart.... -sly-