What do Mexicans mean when they say que viva?

"Que viva" is a Spanish phrase that means "Long live!" or "Let [something] live!" It's often used as a celebratory exclamation, similar to "Hurray!" or "Cheers!" in English.

Here's how it's typically used:

* Que viva México! (Long live Mexico!) - This is a common patriotic phrase.

* Que viva la fiesta! (Long live the party!) - This is used to express enthusiasm for a celebration.

* Que viva el amor! (Long live love!) - This is a romantic expression.

The literal translation of "que viva" is "that it lives." It's a wish for something to continue existing or prosper. It's a heartfelt expression of joy and hope.