How do you respond to wah guan in jamacia?

In Jamaica, responding to "Wah guan?" (which means "What's going on?" or "What's up?") can be done with a casual "Nuh much" or "A nuff tings," indicating that everything is fine or that there are many things happening. It's a friendly greeting, so responding in a relaxed and upbeat manner is common. You could also ask back, "Wah guan wid yuh?" to keep the conversation going.