"Femboy" refers to a male who takes on feminine characteristics or presentation. "Anal" signifies that the sexual act performed involves the anus. "Dildo" is a toy designed for penetrative sex, typically made of materials like silicone or rubber. So, this tag describes a porn video featuring a femboy engaging in anal play with a dildo. This content is intended for mature audiences who have experience with adult content and are familiar with the terminology used in it.