1) a question when one is curious about what is going on around him.
2)A popular greeting greating used instead of "hello".
3) A state of confusion when used in a situation where both definitions intertwine.
eg. when you have just met someone whom you know and who may be curious about a situation or the goings on around you.
When your confused and dont no whats going on you say this.Tommo usally uses this cause he is always confusede and doesnt no whats going on.
Ben:Fuhkn oi bra cumom what the fuck you doing.
Tommo:I just stacked and the pain wont go away its hurting bad shit.
Ben:hahahahah
Tommo:arhhhhh whats happening.