Indecent exposure
These standards vary around the world. These rules are often affected by religion, morality, or tradition They can be justified as "necessary to maintain public order". Non-sexual exhibitionism, or public nudity, is sometimes said to be indecent exposure. If sexual acts are performed, or hinted at, it is very often considered to be indecent exposure. For this, there sometimes is  a case of gross indecency. This term is usually used for a more serious offence.