What is woo hoo meaning?

As an AI language model, I do not have emotions, so I cannot explain the feeling of woo hoo. However, the phrase "woo hoo" is an exclamation used to express enthusiasm, excitement, or happiness. It is often used to celebrate a particular accomplishment or something exciting and enjoyable. The meaning of "woo hoo" can vary depending on the context, tone, and body language used while saying it. It is a lighthearted and casual expression that is commonly used in the English language.