Sex Dictionary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

O face
The facial expression of someone when having an orgasm.

Obscene Phone Callers
People who become aroused by making phone calls, using vulgar language, or trying to elicit a reaction from the other party

Obstetrician-Gynecologist
A Physician with a specific focus on women's health.

Obstetrics
The branch of medicine that involves care of a woman during pregnancy, during labor and delivery, and after childbirth.

Ochlophilia
Arousal from biting.

Ocular Herpes
A herpes infection in the eye.

Oculolinctus
The act of licking a persons eyeball for sexual arousal/fulfilment.

Oculophilia
Eyeball fetish.

Odaxelagnia
Arousal from biting

Odontophilia
Arousal from teeth.

Oedipus complex
Repressed desire to have sex with parent of opposite sex

Ojas
In Tantra, subtle vital force within the body which can lower immunity and vitality through forced orgasm, excessive and/or genitally focused ejaculation.

Old maid's insanity
Erotomania

Olfaction
The sense of smell

Olfactophilia
Arousal from odors

Oligomenorrhea
Infrequent menstrual periods.

Oligospermia / Oligozoospermia
A sperm count below 20 million; a low sperm count; a sperm count low enough to cause a fertility problem.

Olisbos
Dildos

Omnisexual
A person who is attracted to all sexes.

Omolagnia
Arousal from nudity

On The Rag
Slang for menstruation.

Onanism
Outdated term for masturbation.

Ondinisme
Arousal from urine.

One Night Stand
Slang for a one time sexual encounter.

Oneiropornism
Dreaming about prostitutes or sex

Open Facial Herpes
The presence of latent herpes simplex infection in the trigeminal ganglion, at the top of the spine.

Open marriage
Adultery

Open Relationship
The term for a relationship in which both partners have agreed to date or have sex with other people.

Ophidicism
Use of snakes, sometimes for sexual purposes

Ophidiophilia
Arousal from snakes

Oral
Short for oral sex

Oral Contraceptive
Another term for a birth control pill.

Oral Sex
The act of stimulating the genitals with the tongue, lips or mouth.

Ordune
Arousal from photographs of nudes or sex

Organofact
Fetish for some part of the body

Orgasm
A discharge of neuromuscular tension at the peak of sexual arousal that is usually accompanied by the ejaculation of semen in the male and by vaginal contractions in the female.

Orgy
A sexual encounter with three or more people. Group sex.

Osculocentric
Arousal from kissing

Osmolagnia
Arousal from odors

Osmophilia
Arousal from odors

Osphresiolagnia
Arousal from odors

Othello's syndrome
Jealousy

Outercourse
Sexual Activity that does not include inserting the penis in the vagina or anus.

Outing
Publicly exposing somebody's homosexuality against their will.

Ovarian Reserve
The number and quality of eggs remaining in a woman.

Over-the-Counter
A medication that is available without a prescription.

Ovulation Induction
The use of medication to artificially release several eggs at once to increase the likelihood of conception.

Ovulatory Failure
The failure to ovulate.

Ovum
The reproductive cell from the ovary that contains the woman's genetic information.

OWO
Slang for "Oral Without Condom".

Oxygen regulation
Regulating intake of oxygen for sexual enhancement

Ozolagnia
Arousal from odors.