This porn video tag, "nature-jerk-off," seems to describe a scene or video where individuals are masturbating outdoors or in a natural setting. The term "nature" refers to the environment or surroundings, typically involving elements like forests, mountains, beaches, or other outdoor landscapes. Combined with "jerk-off," this tag suggests that the video features people pleasuring themselves in these natural settings, often either alone or with others. This kind of content is popular among adult audiences who appreciate the combination of sexual activity and the beauty of nature.