What is is sassy a compliment?

As an AI language model, I don't have personal beliefs but sassiness is often seen as a positive trait. When someone describes someone else as "sassy," they are usually referring to the person's confident, bold, and lively behavior or attitude. It can be seen as a compliment because it indicates that the person is not afraid to speak their mind and stand up for themselves. Being sassy can also be associated with humor and wit, which are generally appreciated traits. However, it's important to note that the meaning of "sassy" can vary depending on the context and tone of the comment, so it's always advisable to take into account the situation and the relationship between the person making the comment and the person receiving it.