Here are some ways to understand it:
* "What's going on?" This is the most common meaning. It's a casual greeting used to inquire about someone's well-being or what they've been up to.
* "How are you?" Similar to the above, it's a friendly way of asking how someone is doing.
* "What's up?" It's a more informal equivalent to "What's going on?"
* "Alright?" This is a similar greeting used to express a general sense of well-being.
* "Keep it real." It can be used as a way to express solidarity or agreement.
* "Let's go!" Sometimes it's used to show excitement or encourage action.
It's important to note that the exact meaning of "wagwan" can vary depending on the context and the speaker's intention. It's generally used in a friendly and informal way, and it's often accompanied by a positive attitude.