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Cyber Definitions Beginning with M
| M | Male, Married, Mature, Mephedrone (Synthetic Stimulant) | |
| M$ | Microsoft | |
| M&D | Mum and Dad | |
| M&M | Mars & Murrie (colorfully coated button-sized chocolate sweets) | |
| M&S | Marks & Spencer | |
| M/F | Male/Female | |
| M/O | Make Out | |
| Cyber Definition | Meaning | |
|---|---|---|
| M-CAT | MEPHEDRONE (Synthetic Stimulant) | |
| M2 | Me Too | |
| M2AF | Message to All Friends | |
| M2D | Make My Day | |
| M2FP | My Two Favorite People | |
| M2M | Machine to Machine, Mask to Mask, Norwegian Pop Duo | |
| M3 | Sporty model of BMW car | |
| M33T | Meet | |
| M4W | Man looking for a woman | |
| M8 | Mate | |
| M9 | Best Mate (i.e., one better than a M8) | |
| MA | Master of Arts, Mum Alert | |
| MAAB | Male-Assigned at Birth | |
| MAC | Macintosh, Media Access Control | |
| MACHING | Going at Maximum Speed | |
| MACK | Flirt | |
| MACRO-INFLUENCER | Influential Social Media Personality with between 100,000 and 1 Million Followers | |
| MAD | Extremely, Really | |
| MADD | Mothers Against Drink Driving | |
| MAG | Magazine | |
| MAGA | Make America Great Again | |
| MAGANOMICS | Economic Plan | |
| MAIN CHARACTER | TikTok Video Meme | |
| MAJ | Major | |
| MAL | Bad or Evil | |
| MALWARE | Malicious Software Designed to Harm or Exploit a Device or Network | |
| MANC | Someone from Manchester (from Mancunian) | |
| MANDEM | Gang, Group Of Male Friends | |
| MANDO | Mandatory | |
| MANDY | Powdered or Crystallized MDMA | |
| MANFLU | A Man’s Exaggerated Response To Symptoms Of Cold Or Flu | |
| MANKY | Filthy or Horrible | |
| MANFLU | A Man's Exaggerated Response To Symptoms Of Illness, An Unwanted male Suitor | |
| MANGA | Japanese Comics or Graphic Novels | |
| MANHUA | Chinese Comics | |
| MANHWA | Genre of Korean Cartoons and Comic Books | |
| MANSPLAIN | A Man Condescendingly Explaining Something to a Woman | |
| MAPOTI | Most Annoying People On the Internet | |
| MARK | Targeted person | |
| MARY JANE | Cannabis | |
| MAS | Mildly Amused Smirk | |
| MASC | Masculine | |
| MASH UP | Piece of media created by using parts of several other songs, texts or videos | |
| MATE | Friend | |
| MAUI WOWIE | Cannabis from Hawaii | |
| MAW | Might As Well | |
| MAWOY | May Angels Watch Over You | |
| MB | Maybe, MB Music, Megabyte, Mindless Behavior, My Bad | |
| MBA | Masters of Business Association, Married But Available | |
| MBC | Married Black Couple | |
| MBD | My Bad Dudes | |
| MBF | My Best Friend | |
| MBFAM | My Brother from Another Mother | |
| MBL | Married But Looking | |
| MBM | Married Black Male | |
| MBN | Must Be Nice | |
| MBO | Management Buy-Out, Must Be Off | |
| MBPS | MegaBits Per Second | |
| MBR | Master Boot Record | |
| MBS | Mohammed bin Salman, Mom Behind Shoulder, Mortgage-Backed Security | |
| MBW | Married Black Woman | |
| MC | Married Couple, Master of Ceremonies | |
| MCD | McDonald's | |
| MCL | Much Clown Love | |
| MCP | Male Chauvinist Pig | |
| MCM | French Music TV Video Channel, Man Crush Monday, Mighty Car Mods | |
| MD | Doctor of Medicine, Managing Director | |
| MDA | MDMA (Ecstasy) or Media Development Authority (Singapore) | |
| MDE | Mediocre Dick Energy, Methylenedioxy-N-Ethylamphetamine (Eve) | |
| MDEA | Methylenedioxy-N-Ethylamphetamine (Eve) | |
| MDF | Medium Density Fiberboard | |
| MDMA | Methylenedioxy-Methylamfetamine (Ecstasy) | |
| MDW | Memorial Day Weekend | |
| ME2 | Me Too | |
| MEAL | Attractive or Sexy Person | |
| MEAN | Great | |
| MEATHEAD | Brutish or heavily-muscled person | |
| MED | Medication | |
| MEDS | Medications | |
| MEEP | Random word with no meaning inserted into conversation | |
| MEET CUTE | A Romantic First Encounter | |
| MEETER | Person attracted to large men | |
| Meet Me At McDonald's | A Hairstyle | |
| MEG | Megabyte | |
| MEGA-INFLUENCER | Influential Social Media Personality with more than 1 Million Followers | |
| MEGO | My Eyes Glazed Over | |
| MEH | Expression of Indifference or Disdain | |
| MELT | Idiot | |
| MEME | An idea, behavior, or style that spreads from person to person within a culture | |
| MENTHOL | Mint infused cigarette | |
| MEOW-MEOW | MEPHEDRONE (Synthetic Stimulant) | |
| MEP | Member of the European Parliament | |
| MEPHEDRONE | Synthetic Stimulant | |
| MERC | Kill, Mercedes Benz Car, Mercenary | |
| MERK | Kill | |
| MESSAGING | Exchange of Data by Electronic Means | |
| MESSRS | Messieurs | |
| META | Beyond, Transcending, About; Most Effective Tactics Available | |
| METAVERSE | Convergence of Physical, Augmented, and Virtual Reality | |
| METE | To Give (Out), To Dole (Out), To Distribute | |
| METH | Methamphetamine | |
| MEX | Low-grade cannabis from Mexico | |
| MFC | Microsoft Foundation Classes, Mildly Fat Chick | |
| MFEO | Made for Each Other | |
| MFL | Marked for Later | |
| MFW | My Face When | |
| MG | Machine Gun, Milligram | |
| MGBY | May God Bless You | |
| MGD | Miller Genuine Draft (beer) | |
| MGM | Male Genital Mutilation | |
| MGTOW | Men Going Their Own Way | |
| MH | Map Hack | |
| MHBFY | My Heart Bleeds for You | |
| MHD | Menstrual Hygiene Day, Mohamed Sylla (French Rapper) | |
| MHH | Menstrual Hygiene Health | |
| MHM | Menstrual Hygiene Management, Yes | |
| MHMM | Yes, Really? | |
| MHO | My Honest Opinion | |
| MHOTY | My Hat's Off to You | |
| MHR | Many Happy Returns | |
| MHZ | Megahertz | |
| MI5 | Military Intelligence Service 5 | |
| MI6 | Military Intelligence Service 6 | |
| MIA | Missing In Action, Mathangi Maya Arulpragasam, Song by Bad Bunny | |
| MIB | Men In Black (film) | |
| MIC | Microphone | |
| MIC DROP | Mic Drop | |
| MICRO-INFLUENCER | Influential Social Media Personality with between 10,000 and 40,000 Followers | |
| MID | Middling | |
| MIDI | Musical Instrument Digital Interface | |
| MIFF | Irritate or Annoy | |
| MIGA | Female Friend, Make It Go Away | |
| MIH | Made It happen, Make It Happen | |
| MIHOP | Make It Happen on Purpose, Making It Happen on Purpose | |
| MIL | Mother In Law | |
| MILEAGE | Value | |
| MILF | Mother I'd Like to F*ck | |
| MILKSHAKE DUCK | Famous to Infamous | |
| MILL | Million (pounds or dollars) | |
| MILLENNIAL GENERATION | Generation Born between 1981 and 1996 | |
| MILLENNIAL PAUSE | Split-Second Pause at Beginning of Video to Ensure Camera is Recording | |
| MIMO | Multiple Input Multiple Output | |
| MIN | Minimum, Minute | |
| MINECRAFT | A Sandbox Video Game | |
| MINECRAFTING | Playing Minecraft | |
| MINES | Mine | |
| MINGA | Unattractive person | |
| MINGER | Unattractive person | |
| MINGING | Horrible or Disgusting | |
| MINT | Pristine Condition, Superb or Cool | |
| MINTED | Monied or Wealthy | |
| MINX | Naughty or Mischievous Girl | |
| MIP | Minor In Possession (drugs) | |
| MIPS | Million Instructions Per Second | |
| MIRL | Meet In Real Life | |
| MIRROR MY VIDEO (ZOOM) | Display Mirrored Image in Zoom Conference | |
| MIS | Miserable | |
| MISB | Mint In Sealed Box | |
| MISC | Miscellaneous | |
| MISO | My Internet Shut Off | |
| MIT | Massachusetts Institute of Technology | |
| MIZ | Miserable | |
| MK | Magic Kingdom, Marc Kinchen, Michael Kors, MK Ultra, Mmm Okay, Mong Kok, Mortal Kombat, | |
| MKAY | Mmm, Okay | |
| ML | Machine Learning, Mobile Legends, Much Love | |
| MLAS | My Lips Are Sealed | |
| MLB | Major League Baseball | |
| MLBB | Mobile Legends Bang Bang | |
| MLIA | My Life Is Average | |
| MLIB | My Life Is Bro (good) | |
| MLIG | My Life Is Good | |
| MLIM | My Life Is Magic | |
| MLIT | My Life Is Twilight | |
| MLM | Man Loves Men, Middle Finger (Emoticon), Multi-Level Marketing, Muslim Lives Matter | |
| MLP | My Little Pony | |
| MLS | Major League Soccer, My Life Sucks | |
| MLTR | Multiple Long Term Relationships | |
| MLYP | Much Like Your Post | |
| MM | Marriage Minded, Married Man | |
| MMA | Meet Me At, Mixed Martial Arts | |
| MMAMP | Meet Me at My Place | |
| MMAO | Make Me an Offer | |
| MMC | Multimedia Card | |
| MMD | Make My Day | |
| MMH | Meet Me Halfway | |
| MMHMM | Yes, Really | |
| MMI | Me Myself and I | |
| MMJ | Medical Cannabis | |
| MMK | Mmm, Okay | |
| MML | Made Me Laugh | |
| MMM | Expression of Pleasure or Contentment, 3M Company | |
| MMS | Made Me Smile, Multimedia Messaging Service | |
| MMT | Makes Me Think | |
| MMV | Mileage May Vary | |
| MNC | Married No Children, Mobile Network Code | |
| MNF | Monday Night Football | |
| MNM | Eminem (rap artist) | |
| MNT | Maybe Next Time | |
| MO | Modus Operandi | |
| MOAM | Man On a Mission | |
| MOAS | Mother of All Secrets | |
| MOB | Disorderly Crowd, Mobile Game Entity, The Mafia | |
| MOBA | Multiplayer Online Battle Arena | |
| MOBBING | Group bullying | |
| MOBO | Motherboard | |
| MOC | Marriage of Convenience | |
| MOD | Modification, Modernist | |
| MODEM | Modulator-Demodulator | |
| MOH | My Other Half | |
| MOIST | Horny, Weak or Pathetic | |
| MOJO | Personal luck or sex appeal | |
| MOL | More Or Less | |
| MOLL | Girlfriend of a gangster | |
| MOLLY | Powdered or Crystallized MDMA | |
| MOMO | Idiot or irritating person | |
| MONEY | Good or Cool | |
| MONG | Extremely idiotic person | |
| MONKEY | Someone Who Moves Quickly From One Relationship To The Next | |
| MONROE | Piercing between Nose and Upper Lip | |
| MOO | Matter of Opinion, My Own Opinion | |
| MOOD | Relatable Feeling, State of Mind | |
| MOOK | Idiot | |
| MOOLA | Money | |
| MOOLAH | Money | |
| MOONING | Exposing the Buttocks, Strong Upward Trend (Cryptocurrency Term) | |
| MOP | Head hair | |
| MOPO | Master of the Painfully Obvious | |
| MOQ | Minimum Order Quantity | |
| MORF | Male or Female | |
| MORNING GLORY | Erection on Waking | |
| MOS | Mum Over Shoulder | |
| MOSH | Violent group dancing at a rock concert | |
| MOSS | Relax | |
| MOT | Ministry of Transport Car Safety Test | |
| MOTA | Cannabis | |
| MOTB | Mother of the Bride | |
| MOTD | Match of the Day | |
| MOTD | Message of the Day | |
| MOTKU | Master of the Known Universe | |
| MOTO | Master of the Obvious | |
| MOTORBOATING | Making Motor Noises with Your head between a Woman's Breasts | |
| MOTOS | Member Of The Opposite Sex | |
| MOTSS | Member Of The Same Sex | |
| MOTWYW | Make of That What You Will | |
| MOU | Memorandum of Understanding | |
| MOUSE POTATO | Person Who Spends All Day at a Computer | |
| MOUSE POTATO | ||
| MOXY | Confidence or assertiveness | |
| MP | Mana Points or Magic Points, Member Of Parliament, Military Police, Multiplayer | |
| MP3 | MPEG Layer 3 (audio file) | |
| MP4 | MPEG Layer 4 (video or audio file) | |
| MP5 | Weapon manufactured by Heckler and Koch | |
| MPA | Music Publishers' Association | |
| MPAA | Motion Picture Association of America | |
| MPE | My Point Exactly | |
| MPEG | Moving Picture Experts Group (audio or video file format) | |
| MPG | Miles Per Gallon | |
| MPH | Miles Per Hour | |
| MPO | My Personal Opinion | |
| MPUA | Master Pick Up Artist | |
| MPV | Multi-Purpose Vehicle | |
| MR | Mentally Retarded, Mixed Reality | |
| MRA | Man Bra | |
| MRE | Meal, Ready to Eat | |
| MRI | Magnetic Resonance Imaging | |
| MRP | Manufacturer's Recommended Price | |
| MRW | My Reaction When | |
| MS | Microsoft | |
| MSDN | Microsoft Developer Network | |
| MSDOS | Microsoft Disk Operating System | |
| MSF | Male Seeking Female | |
| MSFAM | My Sister From Another Mister | |
| MSG | Message | |
| MSG | Monosodium Glutamate | |
| MSM | Mainstream Media | |
| MSN | Microsoft Network | |
| MSR | Mulder and Scully Romance | |
| MSRP | Manufacturer's Suggested Retail Price | |
| MTA | More Than Anything | |
| MTAF | More Than A friend | |
| MTB | Mountain Bike | |
| MTBF | Mean Time Between Failures (reliability) | |
| MTBMW | May the Best Man Win | |
| MTC | More to Come | |
| MTD | Month to Date | |
| MTE | My Thoughts Exactly | |
| MTF | Male to Female (Transgender), More to Follow | |
| MTFBWU | May the Force Be With You | |
| MTFBWY | May the Force Be With You | |
| MTG | Meeting | |
| MTH | Month | |
| MTL | Montreal, Canada | |
| MTLBWY | May the Lord Be With You | |
| MTO | Media TakeOut (News Channel), Make To Order, Made To Order | |
| MTUK | More Than You Know | |
| MTV | Music Television Channel | |
| MTW | Mum's the Word | |
| MTYK | More Than You Know | |
| MU | Multi User | |
| MUAH | Kiss | |
| MUAHA | Evil laugh | |
| MUAHZ | Kisses | |
| MUAK | Kiss | |
| MUCHO | Many or very | |
| MUCK | Ugly | |
| MUDSHARK | White woman who dates black men | |
| MUFF | Bungle, Vagina | |
| MUFFIN TOP | Body fat protruding over the top of trousers or skirt | |
| MUG | Face, Idiot, Rob | |
| MUGSHOT | Photograph of the head and shoulders | |
| MUH | Me or my | |
| MUKBANG | Korean Video of a Person Eating and Talking to the Audience | |
| MULA | Money | |
| MULE | Person who Carries Something for Someone Else | |
| MULLET | Hairstyle | |
| MULU | Miss You, Love You | |
| MUM | Mother | |
| MUMBLE | Gaming Communications App | |
| MUNCH | Guy Who Performs Oral Sex on a Girl | |
| MUNG | Mash Until No Good | |
| MUNTER | Unattractive person | |
| MUPPET | Furry TV character created by Jim Henson, Idiot | |
| MURK | To Kill | |
| MURKED | Killed | |
| MURSE | Male nurse | |
| MUSH | Male friend | |
| MUSHIES | Magic Mushrooms | |
| MUSM | Miss You So Much | |
| MUVM | Miss You Very Much | |
| MUX | Multiplex | |
| MV | Metaverse, Music Video | |
| MVA | Motor Vehicle Accident | |
| MVP | Minimum Viable Product, Most Valuable Player | |
| MWA | Kiss | |
| MWAH | Kiss | |
| MWC | Married With Children or Married White Couple | |
| MWF | Married White Female | |
| MWHA | Kiss | |
| MWI | Mad With It | |
| MWM | Married White Male | |
| MX | Motocross | |
| MY | Miss You | |
| MY B | Apology (My Bad) | |
| MY BAD | Apology | |
| MY BOO | My boyfriend or girlfriend | |
| MY FOOT | Expression of disbelief | |
| MY SIZE | My type of girl | |
| MYB | Mind Your Business | |
| MYCH | Maybe You Can Help, Mych Billie | |
| MYF | Miss Your Face | |
| MYGGWY | May Your God Go With You | |
| MYL | Miss You Loads | |
| MYMP | Make Your Mother Proud | |
| MYN | Mind Your Neck | |
| MYOB | Mind Your Own Business | |
| MYODB | Mind Your Own Damn Business | |
| MYSM | Miss You So Much | |
| MYSPACE | A social networking site | |
| MYT | Meet You There |
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