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

M/s
A BDSM abbreviation for master and slave.

Machlaenomania
Masochism in women.

Macrogenitalism
Arousal from large genitals

Macromastic
Pertaining to large breasts.

Macrophallia
The condition of having a large penis.

Maha
Tantric sex term for the almighty one.

Maidenhead
Virginity. The Hymen.

Maiesiophilia
Arousal from childbirth or pregnant women.

Maieusiophilia
Arousal from the sight or presence of pregnant females.

Maithuna
Tantric sex term for an elaborate ritual which culminates in a sexual union between two people.

Make-Out Slut
A woman who tends to kiss many men but rarely (or never) has sexual intercourse.

Mammagymnophilia
Arousal from female breasts

Maniaphilia
An attraction to insane people.

Manipura
Tantric sex term for the 3rd Chakra, the power center, located around the navel.

Mantra
Tantric sex term for a repeated verbal chant.

Manual Orgasm
Synonym for masturbation.

Manustupration
Synonym for masturbation.

Manuxorate
Male using his hand to masturbate

Manwhore
A male prostitute.

Marital Aid
Synonym for sex toy, usually a vibrator or dildo.

Marital Device
Synonym for sex toy, usually a vibrator or dildo.

Marital Rape
Forced or unwanted intercourse within marriage.

Marital Relations
Sexual intercourse between two people who are married (to each other).

Maritate
Female masturbating alone

Martymachlia
Group sex

Mary
An effiminate-acting male.

Maschalophilous
Arousal from armpits

Masculine
Characteristics and behaviors that are associated with men.

Masochism
The act of becoming sexually stimulated by pain, discipline or humiliation.

Massage Parlors
A business establishment that specializes in massage. Or a euphemism for bordello.

Master
The person in control during S&M or B&D role-play.

Mastigophilia
A paraphilia where a person is extremely aroused by punishment.

Mastigothymia
Flagellation

Mastix
A female sadist.

Mastofact
Breast fetish.

Masturbation Aid
Any object, usually a sex toy, that can be used during masturbation.

Masturbation Sleeve
A soft sleeve - usually made of silicone, latex, or rubber - into which the penis is inserted during masturbation or sexual play with a partner.

Masturbatory
Relating to masturbation.

Masturbilia
Something used during masturbation, like a picture, article of clothing, or other object, that reminds the masturbator of someone they are fantasizing about. Derived from combining "masturbation" and "memorabilia".

Mate
A term used to describe one's committed sexual, romantic, or "life" partner.

Matinee
Sex session in the afternoon.

Mating
Sexual intercourse between two mammals.

Matrincest
Sex with one's mother

Matronolagnia
Arousal from older female partner

Maturation
The process of aging including sexual changes

Mazoperosis
Mutilation of breasts

Mazophallate
Rubbing penis between breasts

Mazophilia
A paraphilia where a person is extremely aroused by women's breasts.

Meable
Easily penetrated.

Meat
Slang for the penis.

Meatotomy
Dilating urethra with a medical dilating device, the urethra is stretched to eventually facilitate a finger or a penis

Meatus
The opening at the tip of the penis, which allows both semen and urine to pass.

Medical scenes
Sex play that involves using medical instruments or settings as props

Medocure
The clipping or perfuming of the penis

Medolalia
Talking about the penis

Medorthophobia
Fear of an erect penis.

Megalophilia
A paraphilia where a person is extremely aroused by large objects.

Melcryptovestimentaphilia
Attraction to women's black underwear.

Melolagnia
Arousal from music.

Melons
Slang for breasts.

Membrum Virile
Latin for the penis.

Menacme
The period in a woman's life where she menstruates.

Menage a Trois
When three people have sex together at once. A threesome.

Menarche
The first occurrence of menstruation in a woman

Menopause
The time in a women's life when her menstrual periods stop.

Menophania
The onset of menstruation.

Menophilist
Arousal from menstruating women.

Menorrhagia
Heavy or prolonged menstrual flow.

Menstrual taboo
Separation of spouses during female's menstrual cycle

Menstruation
The cyclical shedding of the uterine lining in response to stimulation from estrogen and progesterone.

Mentulate
Having a large penis.

Meretricium
A tax on prostitution.

Merinthophilia
Arousal from being bound

Merlin
An artificial vagina used for penetration

Metophilia
A paraphilia where a person is extremely aroused by another person's face.

Metrophilia
A paraphilia where a person is extremely aroused by poetry.

Metrorrhagia
Menstrual spotting during the middle of the cycle.

Metrosexual
An affluent and often handsome heterosexual man whose self value is derived from his lifestyle and his appearance.

Micro-Bullet Vibrator
A small vibrator that is shaped like an egg.

Midnight Cowboy
Slang for a vibrator or dildo.

MILF
Abbreviation for "mother I'd like to fuck". A sexually attractive middle-aged woman.

Minger
Slang for an ugly or unattractive person.

Miscegenation
Sex between races

Miserotia
An aversion to sex.

Misogynist
A man who hates women

Misogyny
Hatred of women by either sex

Missionary / Missionary Position / Missionary Sex
The traditional sexual practice of the woman lying on her back while the man penetrates her from above.

Mistress
Name for a woman who takes control in the SM role-play. A Dominatrix.

Mixoscopia
Orgasm dependent on watching others having sex

Mixoscopy
The secret observation of a sex act.

MM
Abbreviation for mutual masturbation.

Moisture Barrier
A material, usually latex, used during sexual activity to prevent fluids or blood from passing between partners.

Molar Pregnancy
The result of a genetic mismatch that produces an abnormal growth instead of a fetus.

Molestation
Unwelcome touching or fondling.

Money Shot
When a man ejaculates at the end of a scene in a porn film, usually onto the woman's body or face; a cum shot.

Monkey Sex
Slang for wild, unusual or vigorous sexual activity

Monogamous
To be committed to a single partner.

Monorchid
Having one testicle.

Mons Pubis
The fleshy area located just above the top of the vaginal opening.

Moriaphilia
Arousal from telling sex related jokes.

Morning After Pill
A hormonal contraceptive that is taken within 72 hours of unprotected intercourse to prevent pregnancy.

Morphophilia
Arousal from person with a different physique

Mucophagy
Consuming mucous secretions as in nasolingus

Muff
Slang for vagina.

Muladhara
Tantric sex term for the 1st Chakra, the root center, located at the anus or perineum.

Muliberty
The adoption of female characteristics by a male.

Multi-Speed Vibrator
A vibrator that is capable of vibrations of various speeds.

Multigravida
A woman who has been pregnant more than once.

Multiorgasmic
Prone to having multiple orgasms.

Multiple Orgasm
Having more than one orgasm in a single sex session, especially in rapid succession. Usually experienced by women.

Mummification
Wrapping the full body in a manner that prevents movement

Munchausen's syndrome
Arousal from opening a wound.

Mutilation
Tearing the skin or otherwise deforming a person's body

Mutual Climax
When two or more individuals reach orgasm at the same time.

Mutual Masturbation
Two people who stimulate each other's genitals at the same time, or who stimulate their own genitals simultaneously are engaging in mutual masturbation.

Mysophilia
The arousal from handling soiled underwear or foul odors.