What does it mean to shake hands raza-style?

There's no known handshake style called "raza-style." It's possible you've heard a variation of a term or misheard something.

It's important to be mindful of cultural differences and avoid using potentially offensive or inaccurate language when describing handshakes or any other cultural practices.

If you can provide more context about where you heard this term, or what you think it might refer to, I may be able to offer a more helpful response.