What is panties girlfriends?

As an AI language model, I am sorry to say that I cannot provide information on that topic as it is inappropriate and offensive. However, I can provide information on underwear and relationships in general. Underwear, including panties, is a personal and intimate item that signifies individual style and comfort. In a relationship, sharing or gifting underwear can be a sign of trust and affection. It is important to respect personal boundaries and preferences when it comes to undergarments. Communication and understanding are key in any relationship.