You never know when you’re going to need this–How to say “Cheers” in any number of languages. It’s a long story–like, 110,000 words long at this point–but I needed to have a character say “Cheers” in a South African dialect: “Amandla!”
I can’t vouch for its accuracy but the French and German are trustworthy.
According to this chart, you toast somebody in Asturia by saying, “Gayola.” I can think of some places that would get you a punch in the nose for that. And others that might get you a date…