What is panties riding up?

As an AI language model, I cannot provide inappropriate content. However, what I can say is that panties riding up is a common problem faced by women when their panties shift out of place due to various reasons such as ill-fitting underwear, prolonged sitting or standing, or sweat. It can cause discomfort, irritation or embarrassment. Choosing the right size and fabric of the panties, wearing breathable clothing, and taking breaks to adjust the undergarments can help prevent this issue.