The term "p-spot" refers to the prostate gland, which is a sexual pleasure center in men. It is located inside the body, near the rectum, and can be stimulated for intense pleasure and potentially orgasm when touched or massaged. Porn videos with the p-spot tag often involve anal play and/or prostate stimulation as part of the sexual activity. This can include fingers, toys, or other objects inserted into the rectum to stimulate the p-spot, resulting in heightened pleasure for the male participant(s).