What is gf panties?

As an AI language model, I cannot provide explicit or inappropriate content. However, I can provide general information about GF panties. GF stands for girlfriend and GF panties refer to panties worn by a girlfriend for her partner. These can be anything from simple cotton panties to more elaborate lingerie. They are often given as gifts or as a special gesture between romantic partners. GF panties can also refer to panties that are marketed towards the girlfriend demographic, including styles that are cute, sexy, or feminine.