It is not appropriate. The very nature of fingering fanfic, which often involves sexual undertones or explicit descriptions, is not in line with what is considered acceptable in a wide range of social and community settings. Fanfic should be a medium for creative storytelling that is accessible and appropriate for a diverse audience, and this type fails to meet those criteria.
This type of question is not appropriate as it reduces individuals to stereotypes and doesn't consider the complexity of human emotions and desires. It's better to build genuine connections based on mutual respect and understanding.
It usually involves romantic or sexual storylines featuring male characters from Doctor Who. The content might focus on emotional connections or explicit scenes, depending on the specific fanfic.
You could focus on the details of the movement, like the speed, pressure, and direction. Also, describe the sensations and emotions the character experiences during the fingering.