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"M" Slang

Slang words starting with "m" — clear definitions, real examples and origins. Updated as new slang appears, and free to browse with no sign-up.

"M" Terms

m & ms
General
Standard hospital shorthand for the Mortality and Morbidity conference — the regular meeting where a department reviews deaths, complications and near-misses. Officially educational, often brutal. The candy-bar nickname softens what is, for the doctor presenting, one of the worst hours of the month.
ma heid's mince
General
An expression meaning one is confused or muddled.
maaate
General
An elongated 'mate' used to convey surprise, disappointment or disapproval depending on tone.
maartal
General
Drunk; a Geordie spelling variant of 'mortal'.
maas
General
A respectful address for an older man (like 'Mister/Mas'), e.g. 'Maas Joe'; as a verb, to cool out / chill.
mac
Street
Shorthand for the Mac-10 or Mac-11 machine pistol — the compact, high-rate-of-fire weapon that drill rappers name-drop as the apex of street artillery. In UK drill bars it's the trump card: bigger, louder and more cinematic than a regular handgun. Often paired with talk of spinning or sliding on opps.
macafouchette
General
Food left over from a previous meal, warmed up or eaten later. Also maccafouchette.
macajuel
General
The boa constrictor, a large non-venomous snake found in Trinidad.
macaroni
Street
Cockney rhyming slang; can mean a pony (£25) or, via 'baloney', nonsense.
maccas
General
The McDonald's fast-food chain. So embedded that McDonald's Australia has used the name officially.
maccas run
General
A quick outing to purchase McDonald's, often late at night.
maccomere
General
A trusted female friend, godmother figure or gossip buddy. Also maco-mere, macomeh.
machine hog
General
A gym-goer who occupies a machine or station for far too long, keeping others from using it.
mack
General
To flirt aggressively or charmingly, trying to win someone over romantically.
mackem
General
Someone born in Sunderland. Comes from the old Wearside shipbuilding phrase mak'em and tak'em — we make them (the ships) and they take them. Geordies use it to mark the line between Tyne and Wear; Mackems wear it as a badge.
macker
General
A very large wave; something that is 'macking'. Refers to seriously big surf.
macking
General
Describes surf that is very big and powerful; the waves are 'macking'.
maco
General
Someone overly curious about other people's private affairs; also used as a verb meaning to peep at or pry. Spelt maco or macco.
macoing
General
The act of nosily watching, peeping at, or prying into other people's private affairs.
macros
General
Short for macronutrients — the protein, carbohydrates and fats tracked in a diet to build muscle or lose fat.
mad
Street
Used as an intensifier meaning 'very' or 'a lot'.
madam
General
The female manager of a brothel. She books the clients, vets the punters, sets the house rates, takes a cut, and keeps the workers in line. Often a retired sex worker herself, which is where the institutional knowledge comes from.
madder
Music
An intensified form of 'mad' (meaning amazing/wild), used to hype a tune, moment, or skill. 'That's madder' = that's seriously impressive.
madder than a wet hen
General
Furious. Hens doused with water to break their broodiness get notably irate.
made in the shade
General
Used as an enthusiastic confirmation that everything is handled and turning out great.
made man
Street
A made man is a formally initiated member of a Cosa Nostra family who has taken the oath of omertà. Being 'made' confers status and protection within the organization.
made up
General
To be 'made up' is to be thrilled about something. Often used to share joy at someone else's good news.
madferit
General
Wildly enthusiastic, buzzing, fully committed. Going out 'madferit' means you're not coming home till the sun's up. It carries the full Hacienda-era spirit of yes-to-everything hedonism.
madisons
General
Thin metal straps — also called battleships or F-straps — slid into a drywall cutout to clamp an old-work switch or outlet box from behind. You push them in past the rock, then bend the wings forward against the box ears. Standard fix when there's no stud to screw into.
madlad
Internet
A term of affectionate awe for someone who actually went and did the unhinged thing. Wore shorts to a wedding. Replied-all to the entire company. Bought a house at 22 with a credit card. r/madlads is the museum, and the comments are always some variation of 'absolute madlad.' British-flavoured in origin, fully internationalised now.
madonna
General
A vert trick invented by Tony Hawk in which the rider does a frontside air, grabs the board, and kicks the front foot off toward the nose before returning it to land.
mae west
General
The standard RAF inflatable life-jacket worn by aircrew over the North Sea and Channel. Once inflated by CO2 cartridge, it pushed the chest out into a shape that no airman who'd seen a Mae West film could fail to recognise.
mafo
Street
From 'má fọ́' (don't break/don't be broken); used to tell someone not to fear, panic, or be discouraged by a person or situation. Popularised nationwide by artist Naira Marley.
mag
General
A Newcastle United supporter, from the club nickname 'the Magpies'.
mag7
General
The seven trillion-dollar US tech names traders treat as one trade: Apple, Microsoft, Alphabet, Amazon, Nvidia, Meta and Tesla. When the Mag7 sneezes, the S&P catches it, because they're carrying half the index on their backs.
maga
General
Very thin or skinny. 'Maga dog' = a scrawny mongrel.
magga
General
Describing a person or animal that is meagre and bony. Also spelt maga, meager.
magic 4
Gaming
A speedy standing kick (the '4' button) that, when it lands as a counter-hit, freezes the opponent long enough for a guaranteed combo. Great for interrupting pressure.
magic sponge
General
A jokey term for the physio's wet sponge that seemingly heals any knock the moment it's applied.
magical girl
Internet
A genre (mahou shoujo) in which young girls gain magical powers and transform to battle evil, from Sailor Moon to Madoka Magica.
magicka
Gaming
Elder Scrolls' word for mana. Spend it to sling spells, regen it to keep slinging. Build mag and your whole kit runs off it instead of stamina.
magnificent seven
General
Apple, Microsoft, Alphabet, Amazon, Nvidia, Meta and Tesla. The group that drove most of the S&P 500's returns from 2023 onward thanks to the AI trade. If you stripped them out, the rest of the index looked flat for long stretches.
mahalo
General
The Hawaiian word for thank you, widely used in surf culture as a gesture of gratitude.
mahi
General
Work or the effort put into a task; increasingly used in general Kiwi speech, as in 'do the mahi'.
mahjong
Internet
The tile game that anchors a whole subgenre of tense strategy anime; fans use it as a byword for high-stakes brain battles.
mahou shoujo
Internet
A genre in which ordinary girls gain magical powers and transform to fight evil, often with elaborate costumes and companion mascots. Sailor Moon and Madoka Magica define the genre.
mai
General
An affectionate clip of 'mamá' used for one's mother; can also address a girl warmly.
maigad
Street
Maigad (also anglicized as 'megad') refers to a security guard, doorman, or gatekeeper at a home, office, or estate in Nigeria. It's one of the most common Hausa-origin words in everyday Nigerian English.