What is hooray?

"Hooray" is an expression used to express joy, satisfaction or delight. It is often exclaimed to celebrate an achievement or success. It's a form of positive reinforcement and encouragement that helps people feel acknowledged, recognized and appreciated. The word "hooray" has been in use since the 17th century, and it's typically associated with positive emotions such as happiness, enthusiasm, and excitement. In many cultures and traditions, hooray is used as a way to show support and encouragement to teammates and colleagues. It's a word that's often associated with good news, happy occasions, and triumphant moments.