A mixed-couple refers to a relationship where the partners identify with different LGBTQIA+ identities. For example, a mixed-couple could include one partner who is bisexual and another who is gay, or it could involve partners with different gender identities, such as a transgender person with a cisgender person. This term underscores the diversity within relationships in the LGBTQIA+ community, reflecting variations in sexual orientation, gender identity, and expression. Mixed-couples highlight the intersection of different LGBTQIA+ experiences and the importance of understanding and respecting these differences within relationships.

MLM stands for "men loving men" and is used to describe men who are romantically and/or sexually attracted to other men, but who might not strictly identify as gay. This term can include a spectrum of sexual orientations such as bisexual, pansexual, or those who do not adhere to a specific label but acknowledge their attraction to men. It serves as an inclusive and less restrictive identity term within the broader LGBTQIA+ community, focusing on attraction rather than strict sexual identities. MLM is particularly useful in contexts where individuals seek to discuss experiences or issues relevant to their attractions without necessarily assigning a fixed identity.

Molly, commonly known as MDMA (3,4-methylenedioxymethamphetamine), is a psychoactive drug that has gained prominence in various social settings, including within segments of the LGBTQIA+ community. It is often used recreationally for its effects that enhance emotional closeness and euphoria, which can be particularly appealing in environments like dance clubs and music festivals that are significant in some queer subcultures. While its use can foster a sense of connection and community, it also raises concerns about health, safety, and legality. Awareness and discussions about the use of Molly highlight the importance of harm reduction and informed choices within these communities.

Established in 1936 in San Francisco, Mona's 440 Club holds the distinction of being recognized as America's first lesbian bar. Named after its founder, Mona Sargent, the venue served as a groundbreaking social space for lesbians during a time when LGBTQ+ communities faced severe discrimination and legal challenges. Mona's 440 Club was renowned for its live entertainment, including performances by cross-dressing musicians and singers, which played a crucial role in shaping the lesbian cultural scene in San Francisco and beyond. The club not only provided a safe haven for LGBTQ+ individuals but also contributed significantly to the visibility and development of lesbian subculture in the United States.

Monkeypox is a viral zoonotic disease caused by the monkeypox virus, part of the same family of viruses as smallpox. It typically presents with flu-like symptoms and a distinctive rash. In 2022, it gained attention due to outbreaks in several countries, including among communities of men who have sex with men (MSM), prompting discussions about sexual health and stigma in the LGBTQIA+ community. Public health responses have emphasized the importance of non-stigmatizing, inclusive communication and targeted interventions to manage and control the spread of the virus while supporting those affected.

Monogamy refers to the practice or state of being married to or having a romantic relationship with only one person at a time. Within the LGBTQIA+ community, monogamy challenges traditional notions by demonstrating that committed relationships can exist in diverse forms regardless of sexual orientation or gender identity. Discussions about monogamy in LGBTQIA+ contexts often highlight issues of legal recognition, societal acceptance, and the dynamics of personal relationships under varying social pressures. It plays a significant role in debates about relationship structures, particularly in advocating for equal rights and recognition of LGBTQIA+ marriages and partnerships.

Monosexism is the belief or assumption that being attracted to only one gender is superior or more natural than being attracted to multiple genders or having a fluid sexual orientation. This bias can manifest in both overt and subtle ways, contributing to the marginalization and erasure of bisexual, pansexual, and other non-monosexual identities within and outside the LGBTQIA+ community. Monosexism can lead to specific forms of discrimination and prejudice that non-monosexual individuals face, affecting their visibility and acceptance in society.

Monosexual refers to individuals who are attracted to only one gender. Common monosexual identities include heterosexual and homosexual (gay or lesbian) orientations. This term is used within the LGBTQIA+ community to differentiate from those who experience attraction to multiple genders, such as bisexual, pansexual, or polysexual individuals. The concept helps in discussing and addressing specific social, cultural, and interpersonal dynamics that differ between those who have attractions to multiple genders versus just one.

"Moonlight" is an American coming-of-age drama film that explores the life of Chiron, a young black man growing up in Miami, Florida. The narrative unfolds in three stages of his life, as he grapples with his identity and sexuality amidst a challenging family environment and social context. The film highlights themes of black masculinity, sexual identity, and the complexities of human connection. It is particularly notable for its portrayal of a gay protagonist from a demographic that is often underrepresented in mainstream cinema. "Moonlight" received widespread critical acclaim and won several awards, including the Academy Award for Best Picture.

Mopping, particularly within the ballroom and drag scenes, refers to the act of shoplifting or stealing fashion items like clothing, accessories, or makeup to use in drag performances. This practice stems from the financial constraints many faced within the community, particularly transgender individuals and drag performers who often experienced social and economic marginalization. Mopping is seen both as a means of survival and a subversive act against societal norms that exclude or marginalize queer identities.

Mouth breather generally doesn't carry a unique meaning separate from its mainstream use. Traditionally, it's a pejorative term used to describe someone perceived as stupid, naive, or physically inept, ostensibly because they breathe through their mouth rather than their nose. In LGBTQIA+ circles, like in broader usage, it may be employed in casual or playful banter, but it doesn't specifically relate to LGBTQIA+ identities, culture, or practices.

MSM (Men Who Have Sex With Men) refers to a public health term used to describe males, regardless of their sexual orientation, who engage in sexual activity with other males. This term is used because it focuses on behavior rather than sexual identity or orientation. It encompasses those who identify as gay, bisexual, or heterosexual, and it is significant in discussions about sexual health, risk, and transmission of sexually transmitted infections (STIs). The usage of MSM helps in delivering targeted health messages and interventions without assuming or stigmatizing the sexual identities of the individuals.

MTF (Male-to-Female) is a term used to describe a transgender individual whose gender identity is female but was assigned male at birth. This term is part of the broader transgender spectrum and focuses on the gender transition from male to female, which may involve medical steps such as hormone therapy and surgery, but not necessarily. MTF is also referred to as a trans woman. This designation helps differentiate the specific experiences and needs of this group within the transgender community, particularly in contexts relating to healthcare, legal recognition, and social acceptance.

Muff Diver is a slang term, often considered vulgar, used to describe someone who performs oral sex on women. This term can be used humorously or pejoratively. Its usage varies widely among different people and settings, and it is often reclaimed by some queer women as a playful or empowering expression of their sexual preferences. However, it is important to use such terms with sensitivity and awareness of the audience due to their potential to offend.

Multisexual is a term used to describe individuals who are attracted to more than one gender. The term is inclusive of various non-monosexual identities, including but not limited to bisexual, pansexual, and polysexual. This term highlights the spectrum of sexual orientations that exist beyond the traditional heterosexual-homosexual binary, acknowledging the fluidity and diversity of sexual attraction across multiple genders.

Mummification refers to a specific type of bondage practice where an individual's entire body is wrapped in materials such as plastic wrap, fabric, or bondage tape. This form of bondage restricts movement almost entirely, providing a unique sensory experience and a deep level of physical restraint. It is considered a more advanced practice due to the total immobilization and potential risks involved, requiring careful attention to safety, consent, and communication. Participants often explore mummification within BDSM activities to experience the psychological aspects of control and surrender.

Muscle often refers not just to physical strength and development but also to a cultural and aesthetic ideal that is particularly prominent in certain subcultures, such as among gay men. It symbolizes a body image often celebrated in gay media, social events, and personal aesthetics. The term can also signify a category of gay men who are notably muscular and may identify or be identified as part of the "muscle" community, which values gym culture and physical fitness. This category frequently intersects with issues of body image, self-esteem, and social status within the community.

A Muscle Bear refers to a subgroup within the larger bear community in LGBTQIA+ culture, characterized by larger, often muscular men who typically exhibit a lot of body hair and may have a more rugged and masculine demeanor. This term combines the traditional "bear" identity, known for being warmly inclusive and somewhat heavier set, with a focus on muscle development and physical fitness. Muscle Bears often participate in bear-related social events, clubs, and community gatherings, and they may also have a significant presence in various forms of media targeting the bear subculture.

A Muscle Mary is a term used to describe a gay man who is particularly muscular and spends a lot of time working on his physique. Often used in a somewhat playful or teasing manner, the term can sometimes carry connotations of vanity or an excessive focus on appearance. While it can be seen as complimentary regarding the individual's fitness, it may also imply a critique of perceived superficiality. Muscle Marys are frequently visible in both physical and social spaces known for valuing physical fitness, such as gyms, beaches, and gay nightclubs.

"Musical Theatre" refers to a form of theatrical performance that combines spoken dialogue, acting, singing, and dance to convey a cohesive narrative or story. In the LGBTQIA+ community, musical theatre holds significant cultural significance as both a form of artistic expression and a space for representation and inclusion. Many LGBTQIA+ individuals find resonance and connection in the themes, characters, and stories presented within musical theatre productions. Additionally, the theatre community has historically been a welcoming and supportive space for LGBTQIA+ artists and performers, allowing them to express their identities and talents freely.

Mussy is a colloquial term derived from combining "man" and "pussy," used primarily within the gay community to refer humorously or provocatively to a man's anus, particularly in the context of sexual activity. The term is part of a playful and explicit lexicon used to discuss sexual anatomy and activities without adhering strictly to traditional or heteronormative language. It reflects a reclaiming of terminology and the creation of a distinct space for sexual expression within LGBTQIA+ culture.

Mx is a gender-neutral honorific used as an alternative to traditional titles such as Mr., Ms., Mrs., or Miss. It is often employed by individuals who wish to avoid specifying their gender or who do not identify within the traditional binary gender framework. The usage of Mx is part of broader efforts within the LGBTQIA+ community and beyond to promote inclusivity and respect for people of all gender identities by providing a neutral option in formal and informal communication.

Nancy is a term that can be used both affectionately and pejoratively, particularly among gay men, to describe someone who is perceived as effeminate. Originally derogatory, the term has been reclaimed by some within the community as a badge of pride or endearment, signifying a rejection of traditional masculine norms and an embrace of diversity in gender expression. However, its usage is context-dependent, and it can still be offensive if used in a disparaging way.

Nasty Pig is a clothing brand that is popular particularly among gay men. Known for its edgy and sometimes provocative designs, Nasty Pig caters to those who embrace a bold, rebellious lifestyle. The brand frequently incorporates themes of fetish wear, street fashion, and sportswear, making it a prominent choice for club wear and Pride events. The brand's aesthetic often reflects a celebration of sexual freedom and non-conformity, resonating with subcultures that value individual expression and the breaking of traditional gender norms.

The National Center for Transgender Equality (NCTE) is a nonprofit advocacy organization in the United States dedicated to advancing the equality of transgender people through advocacy, collaboration, and empowerment. NCTE focuses on social justice issues that significantly impact the transgender community, including anti-discrimination protections, healthcare access, and gender identity recognition. It provides educational resources, policy development, and supports legislative efforts to ensure that transgender individuals can live safely, authentically, and free from discrimination.