General meanings:
* "What's up?" or "How's it going?" - This is a common way to greet someone or ask about their well-being.
* "So what's the deal?" or "What's going on?" - This implies a sense of curiosity or wanting to know more about something.
* "Okay, cool, whatever." - This can be used to acknowledge something with indifference or disinterest.
Depending on the context and tone, it can also express:
* Surprise or astonishment: "Pues que ondas!" could mean "Wow, that's crazy!"
* Disbelief or skepticism: "Pues que ondas, no creo eso." (meaning "Come on, I don't believe that.")
* Indifference or apathy: "Pues que ondas, me da igual." (meaning "Whatever, I don't care.")
It's important to note that the tone of voice and the body language can greatly influence the meaning of "pues que ondas."
Overall, it's a very common and informal phrase in Mexican Spanish, often used in casual conversations. It's like a versatile tool that can express a variety of emotions and intentions.