"FTM-fucks-girl" is a porn video tag that describes a specific scene involving transgender individuals. The term "FTM" stands for "Female to Male," referring to the transgender man who is participating in this sexual encounter. In this scenario, the FTM character is engaging in sexual intercourse with a cisgender female partner, hence the "-fucks-girl" part of the tag. This type of content may be appealing to viewers interested in transgender or gender nonconforming sexual experiences