M: male
Machlaenomania: masochism in women
Macho: describing extreme masculinity which may involve the subordination of women.
Macrogenitalism: arousal from large genitals
Macromastic: pertaining to large breasts
Macrophilia: attraction to giants or giant creatures
Maiesiophilia: arousal from childbirth or pregnant women
Maieusiophilia: arousal from pregnant women
Mammagymnophilia: arousal from female breasts
Mammillated: having nipples
-mania: suffix indicating an abnormal preoccupation, compulsion, or craving for an act or object
Maniaphilia: attraction to insane people
Manustupration: masturbation
Manuxorate: male using his hand to masturbate
Marital Aids: Dildos, vibrators, and other devices used for sexual pleasure of self and others.
Maritate: female masturbating alone
Marriage: a contractually committed partnership, including sexualove, cohabitation, shared economy/property and mutual childrearing.
Martymachlia: group sex
Mary: an effeminate acting male
Maschalophilous: arousal from armpits
Masculine: a highly subjective concept of the essential qualities of a man.
Masochism: ability to transfer emotions caused by pain to erotic feelings or as median in which to analyze weaknesses and strengths; sexual gratification through receiving pain and humiliation from others.
Massage Parlors: a business establishment that specializes in massage
Massage: rubbing of the body to increase circulation
Massager: A vibrator that is sold to relax sore muscles.
Master/Slave: Participants in a bondage and discipline sexual relationship
Master: the person who takes the dominate role in the SM role play.
Mastigophilia: sexual gratification from punishment or being whipped;
Mastigothymia: flagellation
Mastix: female sadist
Mastofact: breast fetish
Masturbation: orgasm not involving penetration of partner usually using a hand to stimulate the genitals
Matinee: a sexual session in the afternoon aka nooner
Matrincest: sex with one's mother
Matronolagnia: arousal from older female partner
Matroom: room set aside for group sex.
Maturation: the process of aging including sexual changes
Matutolagnia: antemerdian sexual desire
Mazoperosis: mutilation of breasts
Mazophallate: rubbing penis between breasts
Mazophilia: compulsion for breasts
Meat: the penis
Meatotomy: dilating urethra with a medical dilating device, the urethra is stretched to eventually facilitate a finger or a penis
Mechanophilia: turned on by machines
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
Meet for Pleasure: Will meet for swinging sex; no pretense for social or emotional interaction not directly related to sexual activity.
Megalophilia: arousal from large objects (not necessarily fat)
Melissophilia: attraction to bees
Melolagnia: arousal from music
Memacme: the menstruating part of a woman's life
Menage a trois: three people, two of one sex, one of the opposite sex in a swinging interaction. May involve an on-going emotional relationship of the participants. (see THREESOME, TRIAD) Also a husband and wife having sex with a third party
Menophania: the onset of menstruation; false menstruation
Menophilist: arousal from menstruating women
Menstrual taboo: separation of spouses during female's menstrual cycle
Mentoring: Mentoring is often confused with training - primarily by sleazy Doms claiming to be mentors. An all-too-often occurrence is that the sleazo-Dom uses the "mentoring" relationship to gain trust, and then exploits the trust by trying to tryst.
Mentulate: possessing a large penis; well-hung
Merinthophilia: arousal from being bound
Merkin: a pubic hair wig
Merlin: an artificial vagina used for penetration
Metopophilia: turned on by a person's face
Metrophilia: arousal from poetry
Misapodysis: hatred of undressing in front of someone
Miscegenation: sex between races
Miserotia: aversion to sex
Misogynist: a man who hates women
Misogyny: hatred of women by either sex
Missionary position: The "traditional" sexual position in the West, where the woman lies on her back with her legs spread and the man mounts her with his arms supporting his weight.
Mistress: When the woman takes control in the SM role play; feminine title of respect accorded one who dominates a consenting partner
Mixed Relationships: 1: relationships that have heterosexual and homosexual members 2: relationships that have people from different races and cultures
Mixoscopia: orgasm achieved by watching one's beloved have sex with someone else; voyeurism
Mixoscopia: orgasm dependent on watching others having sex
Molestation: unwelcome touching of another person's body in a manner designed to communicate or arouse lust.
Molysmophilia: attraction to dirt, filth, or contamination
Money shot: The climactic scene in a porn film when the man ejaculates, usually onto the woman's body or face; a cum shot.
monkey-finger: vaginal or anal digital penetration
Monoecious: hermaphroditic
Monogamous: inclined, capable and desiring of sexual exclusivity in a marriage with a single partner.
Monogamy: the practice of marrying only once and/or being married to only one person at a time and/or a marriage in which two partners agree not to have sex or erotic love with anyone else and/or a lovestye for two players
Monorchid: having one testicle
Monroe Transfer: When you and your partner connect each other's assholes with a tube. One defecates through the tube, thus transferring the feces to the rectum of the other.
Mons: Soft, fleshy area near a woman's genitals, normally covered with pubic hair.
moon or to "shoot the moon": expose the buttocks, usually in jest
Moresomes: More than three people in a swinging interaction.
Moriaphilia: arousal from telling sexual jokes
Morphophilia: arousal from person with a different physique
Mortality: inevitable death
MTF: male to female, as in cross-dressing or a transsexual.
Mucophagy: consuming mucous secretions as in nasolingus
Muliebrity: assumption of female characteristics by a male
Multigravida: a woman who has been pregnant more than once
Multipartner Relationship: any non-monogamous Relationship
Multiple Relationship: more than one relationship
Multiple: more than one; many, various
Mummification: wrapping the full body in a manner that prevents movement; bondage effected by encasing a person in material, so that he is tightly restrained and looks like a mummy
Munchausen's syndrome: arousal from reopening a wound
Music lesbians: The organization Strong Women in Music (SWIM) is not just big stars but includes non-famous members as well.
Musophilia: attraction to mice
Mutilation: tearing the skin or otherwise deforming a person's body
Mutual masturbation: Masturbating in close proximity to someone else or using the hand to fondle another person's genitals.
Mysophilia: arousal from soiled clothing or foul decaying odors
Mysophilia: love of dirt or becoming dirty