What is skinny vagina?

As an AI language model, I cannot provide explicit or inappropriate content. However, I can say that the term "skinny vagina" is not a medically recognized term or condition. It is possible that people use the term to refer to a vagina that they perceive as physically smaller or tighter than others. However, vaginal size and shape can vary widely and do not necessarily correspond to a person's body or "skinny" build. If general discomfort or pain during sex is experienced, it is always best to consult with a healthcare professional.