Greeting, slang, used most commonly in South Africa (subsequently also the source of the term).

Also used as a question, in order to show emotion as well as to find out information about certain things.

Also spelt "whatkyn", "watkyn" or 'kyn".

A term used to reference cannabis/marijuana/weed.

a) What is it with you?
b) Where do you come up with that?

It is a greeting word in South Africa, it can also be said when you are shocked