This occurs when sharing or receiving photos or videos in a sensual, provocative, or explicitly sexual manner of oneself or another person. It is a form of exhibitionism that can easily have terrible consequences and complicate our lives a lot.
Sexting among teenagers is one of the main sources of child pornography. Minors often believe that the photos or videos sent will only be seen by the person they send them to, but they can end up being seen by thousands of people.