Slang words: M
881 slang and Internet words starting with M, each with its slang meaning. Trending slang
- monkey upTo bungle or mess up something.
- monkey walkSynonym of monkey run.
- Monkey Ward'sMontgomery Ward, an American retail enterprise.
- monkey-wrencherAn activist who sabotages operations perceived as harmful to the natural environment.
- monkeysonaA fursona that is a monkey.
- monoA bicycle or motorcycle trick where the front wheel is lifted off the ground while riding.
- monobuttA smooth, featureless posterior without defined buttocks or a gluteal cleft; often cartoonishly stylized and...
- monorumpSynonym of monobutt.
- Monster MansionHM Prison Wakefield.
- monsterfestAn event or experience characterized by monsters.
- MontcoMontgomery County, Pennsylvania.
- monthly friendThe menstrual period.
- monthly tugboatA Social Security Disability Insurance payment.
- monthly visitorThe menstrual period.
- Monty coatA duffel coat.
- Monty HaulA dungeon or scenario that offers the player great rewards for minimal risk.
- moo juiceCow's milk.
- moobTo rapidly adjust the evaluation of a position towards zero, indicating a likely draw.
- moobiesSynonym of moobs (“plump or untoned breasts on a man”).
- moocahMarijuana.
- moochSynonym of Scaramucci (“unit of time”).
- moodA familiar, relatable feeling, experience, or thing.
- mood messageA message set by a user of instant messaging software and displayed as part of their profile.
- moodyOf dubious origin; counterfeit or stolen.
- mooeyThe mouth; the face.
- moofA bong (vessel for smoking marijuana).
- mookA disagreeable or incompetent person.
- moon joyThe feeling of intense happiness and excitement that only comes from a mission to the Moon.
- moon languageText written in an incomprehensible script, especially Japanese, Chinese, Arabic, or Hindi.
- moon rockA mixture of crack cocaine and heroin.
- moon rocksA particularly strong preparation of cannabis.
- moon unitA stupid person; an idiot.
- moonlight requisitionTo steal or use materiel without authorization.
- moonmoonA moon that orbits a larger moon.
- moonrunnerA person who illicitly distributes moonshine.
- moonyThe act of mooning, flashing the buttocks.
- moose knuckleThe shape that is noticeable when tight-fitting clothing wedges between a woman's labia.
- mooseknuckleAn ugly cameltoe.
- mootahMarijuana.
- mopA firearm particularly if it has a large magazine (compare broom, but still can be related to MP).
- mop the floor with someoneSynonym of wipe the floor with someone.
- mop-toppedHaving a mop-top haircut.
- mophroditeHermaphrodite.
- moppyTipsy; drunk.
- mopusMoney.
- moralA moral certainty.
- morbillionAn imprecise but very large amount.
- MordetwiThe crackship of characters Mordecai from Regular Show and Twilight Sparkle from My Little Pony: Friendship...
- more life in a tramp's vestUsed in comparisons to indicate that someone or something is devoid of life or animation.
- more plates, more datesA well-developed physique is more attractive.
- moresomeA sexual act involving more than three people, or a group of individuals involved in such an act.
- morgueThe archive and background information division of a newspaper.
- morning impairedUnable to think clearly or get moving in the morning.
- morning prayersA military briefing session held in the morning.
- morphMorphine.
- morphic resonanceThe retention of recognizable physical traits between forms of a transformed character.
- morphoditeHermaphrodite.
- mortA player in a multi-user dungeon who does not have special administrator privileges and whose character can...
- mortalVery drunk.
- mortalledVery drunk.
- mortoVery embarrassed or embarrassing.
- Mortuary BeachMonastery Beach, part of the Carmel River State Beach in California, United States.
- MoscowA nickname for the Brandon Estate, a social housing estate in Southwark, Central London; named because of gun...
- mosherA member of an alternative subculture; a grebo or goth.
- Mosi-oa-TunyaA gold coin introduced in Zimbabwe in 2022 in the context of rising inflation.
- mosquito biteA small breast of a woman.
- mosquito partyA small opposition party that lacks meaningful public support, with its candidates and members frequently...
- mossTo relax, chill out.
- mostThe greatest; the best.
- most Rikki-TikQuickly, immediately.
- motA woman; a wife.
- motardIn the United States Marine Corps, one who expresses his/her motivation for the Marine Corps to the point of...
- motardedLike a motard; obnoxiously overenthusiastic.
- motateTo run at very high speed, sprint.
- mothA girlfriend.
- mother's little helperA tranquilizer taken to reduce anxiety; meprobamate, diazepam.
- motherfreakingAn intensifier, used in the same contexts as freaking, but more intense.
- motherlessVery, completely (especially in reference to drunkenness).
- MothzillaThe ship (romantic pairing) between Godzilla and Mothra from the Godzilla franchise.
- motionSuccess; achievements, especially those that others cannot match.
- motion lotionMotor fuel.
- motonormativityAn unconscious cognitive bias in which the assumption is made that motor car ownership and use is an...
- motorThe fermenting mass of fruit that is the basis of pruno, or "prison wine".
- motorboatTo press one's face into or between (something else).
- motorboatingThe act of placing one's head between a woman's breasts and making the sound of a motorboat with one's lips...
- motorheadA car, truck, or motorcycle enthusiast.
- MotownA jack and a five as a starting hand in Texas hold 'em.
- motsserA member of the soc.motss newsgroup for the discussion of gay issues.
- mottThe vulva.
- motzaA lot of money.
- mouldyA torpedo.
- moundsmanA pitcher.
- mountainA woman's large breast.
- mountain motorA large-displacement engine of the kind often used in hot rods and drag racers.
- mountain oysterHog testicles prepared as food.
- mouse potatoA person who spends excessive amounts of time using a computer.
- mousesonaA fursona that is a mouse.
- mousetaurA taur with the lower body of a mouse.
- mousetrapTo prevent (the user) from leaving a website by opening another copy when it is closed.
- mousoAn error caused by incorrect use of a computer mouse.
- mouthA gossip.
- mouth musicOral sex.
- mouth offTo talk impudently, especially to one's superior.
- mouth-to-mouthKissing, particularly French kissing.
- mouthfulQuite a bit.
- mouthgasmA sense of pleasure derived from eating food which tastes good.
- mouthpieceA lawyer for the defense.
- move toTo attack; to hit.
- move withTo be in a clique with; to associate with.
- movieAn extremely fun and exciting experience.
- movieverseThe fictional universe of a work as presented in its movie version, as opposed to, e.g. a television series...
- movlogA moblog containing video images.
- moxEnergy, vigor, courage, pluck.
- mox nixIt doesn't matter; no worries.
- moyaiUsed to indicate humor, embarrassment, confusion, or surprise at something.
- MozMorrissey (born 1959), an English singer-songwriter and author.
- Mozambique drillA shooting technique in which the shooter fires two rounds into the torso of a target with an additional shot...
- mozzTo jinx or give bad luck to.
- mozzarellaMoney.
- MozzersMorrisons, a British supermarket.
- Mr PlodA law enforcement officer.
- MRAsianA member of an online subculture affiliated with the men's rights movement focused on men of Asian ancestry...
- MrBeastificationOn the video-sharing website YouTube, the trend of videos having increasingly shorter runtimes, larger...
- mrrpSound that a cat makes when chirruping.
- Mrs. JonesAn outhouse; a toilet.
- Mrs. RobinsonOf a woman, to seduce a younger man.
- MSRSuch fan fiction collectively.
- MSTTo mock a work (typically a fanfic) by inserting satirical commentary.
- MSTabilityThe state or quality of being MSTable.
- MSTableThat lends itself to being MST.
- MSTerA person who parodies a fanfic by inserting satirical commentary.
- MSTieA fan of the television series Mystery Science Theater 3000.
- MSTingA parody fanfic created by inserting satirical commentary into an existing work.
- MTEMy thoughts exactly: an expression of agreement.
- muchCombining with an adjective or (occasionally) a noun, used in a rhetorical question to mock someone for...
- muchachoAn informal term of address, especially to a young man; similar to man, chap, dude, etc.
- mucho thankoMany thanks.
- muckTo eat; to devour or guzzle.
- muckerA comrade; a friendly, low-ranking soldier in the same situation.
- muckologyThe "science" of mucking around in cow manure.
- mudTo participate in a MUD or multi-user dungeon.
- mud mapA roughly drawn map or set of directions, especially one drawn on the ground.
- mud monkeyRefers to a person or a builder using earth, mud, or clay as its main material.
- mud sloggerAn infantry soldier.
- mud-hogsField artillery.
- mud-kickerAn unskilled laborer; One who makes his living by outdoor manual labor.
- mudderA participant in a multi-user dungeon.
- mudheadA dedicated participant in multi-user dungeons.
- mudhookAn anchor, as used in the game of crown and anchor.
- mudlarkA soldier of the Royal Engineers.
- mudsharkTo engage in mudsharking.
- muffA term of endearment.
- muffinA less talented player; one who muffs, or drops the ball.
- muffin chokerSynonym of marmalade dropper.
- muffin worryAn elderly lady's tea party.
- muffingPenetration of the inguinal canal (e.g. with a finger, or by pushing the testicle back inside it) as a form...
- mufflerA gas mask.
- mug offTo cheat, swindle, dupe (someone).
- mug upTo study intensely.
- mugged by realityOf a person, having experienced a sudden, harsh, confrontation with the truth or reality of a situation.
- muggleA person not involved in the pastime of geocaching.
- mugglesSynonym of muggle (“marijuana”).
- mugwumpishResembling or characteristic of a mugwump.
- mugwumpismThe acts and views of the mugwumps.
- muleA person paid to smuggle drugs.
- muleskinnerA mule driver; the whip used by such a driver.
- mulga madnessA kind of eccentricity attributed to the isolation from society, as in the outback.
- mull upTo mix cannabis with tobacco.
- mullerTo beat or thrash (someone).
- mulleredBadly damaged or completely destroyed; ruined, trashed, wrecked.
- mulletA person who mindlessly follows a fad, a trend, or a leader.
- mulletheadFool, idiot.
- mulligrubsSullenness; sulky behavior.
- multiblogOf or relating to more than one weblog.
- multicamA video of one event created using footage of different cameras.
- MulticianA competent user of Multics.
- multicloudTo use cloud computing services from multiple cloud providers simultaneously.
- multicolour yawnVomit; an act of vomiting.
- multifurAn anthropomorphic character with an above-average number of limbs or appendages.
- multimediocrityPoor-quality multimedia material.
- multiplatA game released for more than one platform.
- multiposterOne who multiposts.
- multiservingThe practice of designing separate versions of a website for various different types of mobile device, and...
- multisexualSexually attracted to more than one sex or gender.
- multishipTo ship multiple pairings in the same fandom, especially ones featuring the same character.
- multishipperA person who ships multiple pairings within the same fandom, especially ones featuring the same character.
- multishippingThe practice of shipping multiple pairings in the same fandom, especially ones featuring the same character.
- multishirkTo do more than one non-work activity at once.
- multisiteOf or relating to more than one web site.
- multistanA person who is a stan (“obsessive fan”) of multiple people or things, especially K-pop performers.
- multitableTo play in multiple tables simultaneously.
- multitextingThe act of electronically text messaging several people at the same time.
- multizillionaireA person with an enormous amount of money.
- mumblageMumbled or imprecise remarks, especially remarks which are trivial or unreliable.
- mumfluencerA mother who is an influencer on social media, typically using this platform to promote consumer products...
- mummifiedDrunk; intoxicated.
- MumsnetterA member of the Mumsnet parenting web site.
- munThe person who roleplays a character in a role-playing game, especially an online play-by-post one.
- munchFood.
- munch onTo perform cunnilingus on (somebody).
- munched outExtremely hungry.
- munchiedHaving the munchies; craving food as a result of cannabis or alcohol consumption.
- munchiesHunger, especially a craving for food as a result of alcohol or cannabis consumption.
- munchkinSynonym of donut hole (“ball-shaped pastry”).
- mundaneThe world outside fandom; the normal, mainstream world.
- mundaniaThe world outside fandom; the normal, unfannish life.
- mundieA mundane; an ordinary person.
- mungaFood.
- mungareeFood.
- munjenA Chinese person.
- muntedDamaged or unusable.
- munteredDrunk.
- muntingUgly.
- muploadTo mobilely upload.
- murdelizeTo defeat soundly; to trounce.
- murderSomething remarkable or impressive.
- Murder HusbandsSynonym of Hannigram.
- murder logAn alligator or crocodile.
- murder mittenA cat's paw with the claws extended.
- murder noodleA venomous snake.
- murder rapA murder charge.
- MurderinoA fan of the comedy true crime podcast My Favorite Murder.
- murderizeTo murder.
- murkTo beat up; to injure.
- murk outTo murder (someone).
- murrA purr (produced by any animal).
- murrsuiterOne who who wears a murrsuit.
- murseA man's purse.
- muscle boyA bodybuilder, especially one who is homosexual.
- muscle godA superheavyweight bodybuilder alpha male.
- muscle mommyA woman with well-developed muscles, seen as sexually attractive.
- musclegutA person or character (usually male) of a body type with both defined musculature and belly fat.
- muscleheadA large and muscular man, especially one interested in bodybuilding.
- museum pieceA very old item, especially an obsolete piece of technology.
- mush(US, slang, chiefly Nonantum) A form of address, normally to a man.
- mush it upTo kiss; to make out.
- musherSynonym of mush (“a cab driver who is the owner of their cab, and sometimes a small number of other cabs as...
- mushieA mushroom.
- mushmouthSomeone who has a muffled or otherwise unclear voice.
- mushmouthedHaving a muffled or otherwise unclear voice.
- mushroom headSynonym of mushroom tip.
- musicElectronic signal jamming.
- musicianerMusician.
- MuskmobileA Tesla vehicle.
- muss-be"must be"; A response in the affirmative, by people such as disgruntled workers, to respond to a question...
- mustache rideOral sex in which the receiver straddles the face of their male partner.
- mustangA commissioned officer who started military service as an enlisted person.
- mustardVery good, or very skilled.
- muteAn action of muting, especially in a discussion forum as a penalty for breaking rules.
- muttThe snowy sheathbill.
- Mutt and JeffNames given to a pair of companions, usually male, of whom one is tall and the other short.
- muttnikA dog that is launched into space.
- muttonDeaf.
- mutton dashSynonym of em dash.
- Mutton JeffDeaf.
- muttonheadA stupid or foolish person.
- muttonheadedBeing a muttonhead; stupid or foolish.
- mutualEither of a pair of people who follow each other's social media accounts.
- muzzTo make muzzy or hazy; to confuse.
- muzzlerA punch in the mouth.
- mwahThe sound of a kiss, to indicate blowing a kiss to someone.
- my aunt FannyNonsense; rubbish (as a scornful dismissal of someone else's remark).
- my back teeth are floatingI have a strong need to urinate.
- my belovedUsed after a proper noun or noun to indicate intense fondness for the referent.
- my body is readyUsed to express preparation for and excitement over something, especially sex.
- my brother in ChristA (sometimes condescending) term of address, used before a statement which intends to dispel someone's lack...
- my buttIndicates disapproval, contradiction or disbelief.
- my head's a shedI am confused, stressed, mentally disoriented, etc.
- my manA term of address for a man, conveying awe or enthusiastic agreement.
- my sidesUsed in phrases or interjectionally to indicate uncontrollable laughter.
- my steak is too juicy, my lobster is too butteryOne should not complain about having a good thing.
- my watch has endedUsed to indicate that one's duties or tenure in a position have ended.
- MyrotvoretsA Ukrainian government-backed website that publishes a running list, and often personal information, of...
- myspaceOne's profile on the MySpace website.
- MySpace angleA camera angle from above the (usually female) person's head at an angle that typically showcases the face...
- MySpacerA member of the social networking website MySpace.
- mystery bagA sausage.
- mystoMystical, mysterious, weird.
- MystradeThe ship of characters Mycroft Holmes and Greg Lestrade from the television series Sherlock.
- mytharcThe ongoing story arc that underpins all episodes of a television series.
- mythinformationFalse information, when seen as having its own mythology or being believed in like a myth would be.
Source and license
Slang meanings adapted from the Wiktionary entry of each word (English slang). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the words, left out vulgar and offensive ones, and linked each to its full entry. Wiktionary data of 2026-09-02.
Cite this page: “Slang Words Starting with M - Page 3.” Word.ws, https://word.ws/slang/m-3. Based on Wiktionary, CC BY-SA 4.0.