A phrase used to ask "what's up?", "what's going on?", "What're you up to?" or "What you doing?".

Derived from the character Nessa on hit TV series "Gavin and Stacey". Made famous by radio DJ Scott Mills (unkown-present) with the "Oh What's Occurin? Game".
Scott (to chappers): "Oh, what's occurin?"
Chappers: "Just reading some sport."
by Jack Anthony Mason January 27, 2009
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