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Ice Cream Sandwich: When a white woman is penetrated vaginally and anally by black men on either side of her.
Illegitimate Child: A child conceived out of wedlock, and often rejected by the father. Synonyms: accident, bachelor’s son, bastard, love child, whoreson.
Immobility Fetish: A fat fetish in which a person stops moving, or is forced to remain stationary, while increasing his caloric intake in order to gain weight rapidly. Related to: fat fetish, feederism, feeding, feedism, gaining, inflation, immobility, padding,
Impregnation Fetish: A fetish for the fantasy of impregnating a sex partner. Related to fetishes for vaginal creampies or pregnancy.
Incest: Sexual relations with a blood relative.
Inchworm: A small penis.
Indian Cockburn: Like an Indian sunburn, but performed on a dick. Occurs when a person grips a dick with both hands and twists in opposing directions. Also used to describe a painful hand-job.
Indicator of Interest, IOI: A sign a person gives off, often unconsciously, to signal attraction. This encompasses a wide range of behaviors that is different for each sex and person, but which can include playing with one's hair, offering to buy a drink, asking another person's name, physical contact... Origins: the pick-up artist, Mystery.
Infantilism: A fetish for dressing, acting, and being treated like an infant. This often requires practitioners to hire a dominatrix to serve as a "nanny."
Inflation Fetish: When sexual pleasure is derived from the fantasy, or reality, of physically filling a sex partner up with various substances. Related to: air inflation, cum inflation, fat fetish, feederism, feeding, feedism, gaining, immobility, padding, stuffing,
Ingénue: A naïve or sexually inexperienced girl.
In Heat: When a female's body is capable of conception. During this period hormones are released that make the female more solicitous of, and receptive to, sex. Synonyms: estrus.
Inter-coarse: Sex with a painful amount of friction. Often a result of sex on the beach.
Inter-corpse: Sex with a partner who just lies there, detached and unanimated.
Inter-course: Sex in which penetration occurs.
Internal Astronaut: A penis, often outfitted with a latex spacesuit
Internet Beauty: One who can maker herself look attractive online but not in person.
Interracial, IR: Refers to a couple or a category of porn with partners of different races. In porn, this label most often refers to black men with white women.
Intersex: a person whose bodily characteristics put them somewhere between "male" and "female".
Intimate, Intimacy: 1. Sex. 2. Characterized as knowing someone in a very private and personal way.
Icolagnia: A fetish for looking at nude photos, images, or statues.
In Door Sports: A catchall phrase for swinging activities.
In Flagrante Delicto: In the act of sex. Origins: Latin for, "While the crime is blazing."
ISO: "In search of." Used in personals adds.
Irish Kiss: Farting in someone’s mouth.
Irish Toothache: Pregnant.
Irish Twins: Siblings born in the same calendar year.
Italian Stallion: A handsome Italian man with a large penis. Synonyms: Casanova.
Ithyphallic A statue or illustration that features an erection.
The Ivy League Rub: The act of rubbing dicks together. Synonyms: cock rub, bumping dicks, frictation, frontism, frot, knocking cocks, Oxford style, the Princeton Rub, sword fighting, tummy sticks…
