Caín (en. Cain)

/kaˈin/

Slang Meanings

Colloquial term to refer to a close friend.
Hey, canine! How are you?
¡Eh, caín! ¿Cómo estás?
Used to describe a person considered harmless or friendly.
Don't worry, it's a canine, it doesn't bite.
No te preocupes, es un caín, no muerde.