Pornography is often distinguished from erotica, which consists of the portrayal of sexuality with high-art aspirations, focusing also on feelings and emotions, while pornography involves the depiction of acts in a sensational manner, with the entire focus gay bear porn on the physical act, so as to arouse quick intense reactions. When the interest in a particular subject is obsessive, the behavior may be described as stalking. The use of the word creampie to describe such scenes originated in U. Pussing: British expression for an activity involving a consenting couple where the male partner watches the woman urinate otherwise undetected in a semi-public place, usually a toilet cubicle at a pub, hotel, restaurant, theatre/cinema, office, club etc. Cuckold fetish pornography that involves a cuckolded husband. Mammary intercourse is known as titty-fucking, titfuck, or a titjob in the United States, as well as tit wank or French fuck in the United Kingdom - the latter term dating back to the 1930s; while a more jocular equivalent is a horny milfs trip down mammary lane. In the fetish cuckolding subculture, it is most common for the female to take on the sexually dominant role and the male the submissive role, however, female subs, sometimes referred to as cuckqueans, also exist. The industry generally gay hentai refers to such films as adult films, which is part of adult entertainment. Pornographic films are typically categorized as either softcore or hardcore pornography. Reality and voyeur pornography, animated videos, and legally prohibited acts also influence the classification of pornography. The most common type of erotic spanking is administered on the bare buttocks, but can also be combined with bondage, in order to heighten sexual arousal and feelings of helplessness. A related term used in the genre is the term cougar, which implies an older woman as predator. The name is a reference to gonzo journalism, in which the reporter is part of the event taking place. Both forms of pornography generally contains nudity.