What does senwa and de dende mean in Ghanaian?

The phrases "senwa" and "de dende" are not commonly used in the Ghanaian language. They are more likely to be from other languages or misspellings.

If you could provide more context or the full sentence where you heard these phrases, I might be able to help you understand their meaning.

For example:

* What language are you trying to translate from?

* What is the overall context of the conversation or text?

* What are the words around "senwa" and "de dende"?

With more information, I can give you a more accurate response.