Naturism -going without clothes as a social practice.
Masturbation is the act of bringing yourself to orgasm.
Incest is sexual intercourse between persons so closely related that they are forbidden by law to marry.
Handjob an act of masturbation, especially as performed by a sexual partner on a man.
Gang Bang – is a sexual activity in which one person is the central focus of the sexual activity of several people, usually more than three, sequentially or simultaneously.