I can help!!!! Comment on my recent question “HERE YOU GO”
They both worked with NASA.
Answer:
wagwan (Jamaican, MLE) Greeting equivalent to what's up or what's happening. Usage notes. It is used through out the Jamaican diaspora, including in hip-hop culture and by reggae music fans. The standard response is nagwan / nuttin nah gwaan (“ nothing is going on ”).
hope that helps