What does hey yeah mean?

"Hey yeah" is often used as an informal expression to convey excitement, agreement, or enthusiasm in conversation. It can serve as a casual greeting or an affirmation, similar to saying "yes" or "sure." The phrase gained popularity in various songs and pop culture, enhancing its upbeat and energetic connotation. Depending on the context, it can also evoke a sense of camaraderie or shared enjoyment.