It's a passionate exclamation that expresses a strong feeling of joy, celebration, and enthusiasm for life. It can be used to:
* Celebrate a special occasion: A birthday, a wedding, a graduation.
* Express optimism and hope for the future: "Viva la vida!" means you believe in life and its potential.
* Show defiance in the face of adversity: "Viva la vida!" can be used to show resistance to oppression or hardship.
While the phrase is often used in a celebratory context, it can also carry a more philosophical meaning, suggesting a deep appreciation for the beauty and complexity of human existence.