Sexting is a concept that has not used for such a long time, sexting is the sending and receiving of sexually oriented images or text messages using devices with a camera and internet applications such as Whatsapp, Facebook, Youtube, Instagram, Twitter, Snapchat and Omegle. So if you receive one of this messages delete this imediatley and report this to an adult. If you want to do it yourself then PLEAS DON'T DO IT, you'll get in a lot of trouble if you do.