Arousal may be triggered by seeing the body movements or facial expressions of that person. Fisting pornography features the insertion of an entire hand into a performer vagina or anus. Group sex can occur between people of all sexual orientations and genders. Real jail or prison or police station shots or videos may violate laws in some countries. Some productions are noted for sophisticated and/or experimental storytelling and animation techniques. Consent is the most important criterion here. Sloppy seconds is a slang phrase for when a man has sexual intercourse with another person who already has received another man penis in the relevant orifice and is therefore wet or sloppy. Voyeur or peeping Tom pornography is usually more staged with the subjects aware of the cameras, sometimes openly including this exhibitionist awareness. The 1979 U. In some societies, the terms fox, plum, chick, or chicken are preferred. The most common depiction of a hermaphrodite naked milf is a person with a female face, breasts, and build, and a penis , although there are other combinations. Big Beautiful Woman is a euphemism for an overweight woman and is frequently used in the context of fat fetishism. Now facial cumshots are regularly portrayed in pornographic gay fuck films, videos, magazines and internet web sites. In the context of consensual erotic activities, sadism and masochism are not strictly accurate terms; there is a significant difference from the medical or psychological usage of both terms. Masturbation has been depicted in art since prehistoric times and is mentioned and discussed in very early writings. Exhibitionist pornography features performers, usually female exposing themselves in public and spans simple flashing to public sex. Another variant of reality pornography consists of normal couples that are filmed by professionals, in which case the only obvious distinction from amateur pornography is the higher quality of production, filming gay hentai and editing. The essence of voyeurism is the observing but may also involve the making of a secret photograph or video of the subject during an intimate activity.