Slang & Idioms Starting with "M"

100 entries

• Macaroni Pony (£25); also money generally.
• Mad as a Hatter Completely crazy or insane
• Mad as a March hare Completely crazy; acting wildly irrational.
• Made redundant Laid off because the job is no longer needed (British)
• Made up Extremely pleased, delighted (Scouse).
• Maid Woman, girl (West Country address).
• Main character Acting like the protagonist of life; center of attention.
• Main character (energy) Acting like the protagonist of your own story.
• Main character syndrome Believing you're the protagonist of life; self-centred worldview.
• make a dog's dinner of mess something up badly
• Make a Killing To make a lot of money quickly
• make a pig's ear of botch or bungle something
• Make a pig's ear of To do something badly; to make a mess of something.
• Make ends meet To earn just enough money to cover basic expenses
• Make the cut To meet the required standard or qualify.
• Makes One's Blood Boil Something that causes extreme anger
• Man flu Mild illness dramatically exaggerated by men (humorous).
• Man on! Warning shout that opponent is approaching.
• Mandem Group of male friends
• Manky Dirty, unpleasant, or of poor quality
• many happy returns birthday greeting
• Mardy Moody, sulky, whiny (Yorkshire/Midlands).
• Marmite A divisive British yeast extract spread; something you love or hate
• Marra Mate, friend (Geordie/Cumbrian).
• Marvellous Wonderful, extraordinary.
• Mash Mashed potatoes (British)
• match made in heaven perfect romantic pairing
• Mate Friend (British/Australian)
• Matron Senior nurse in charge of a hospital ward.
• Meat raffle A pub raffle where the prize is meat.
• Meh Indifferent, unenthusiastic
• Melt A soft, pathetic person (modern British slang).
• Meme A humorous image, video, or concept that spreads online.
• Memory like an elephant An excellent, long-lasting memory.
• Mental Crazy, wild, extreme
• Mentalist British slang for a crazy person; someone acting insanely.
• Merchant Wanker (idiot).
• Meritocracy System where success is based on ability
• Merry Happily drunk; cheerfully intoxicated.
• Messages Shopping, groceries (Scottish).
• MIA Missing In Action; absent or unavailable
• Mid Average; mediocre; not impressive.
• Middle England Conservative, middle-class mainstream values
• Midfielder Player operating in the centre of the pitch.
• Miffed Slightly annoyed or offended
• Mild Pleasantly warm, not extreme
• Mince Ground meat (British)
• Mince pies Eyes.
• Mind Though, you know, emphasis (Bristol/West Country filler).
• Mind how you go A British farewell meaning 'Be careful' or 'Take care'
• Mind the gap Warning to watch out for the space between train and platform; also used meta...
• Mind You That said; however; but consider this
• Mine host The landlord or publican; the person running the pub.
• Minger An unattractive person; something disgusting.
• Minging Extremely ugly, smelly, or disgusting
• Mingy Mean, stingy, or inadequately small
• Mint Excellent, perfect (British)
• Minted Very rich, wealthy
• Minty Angry, annoyed (Scouse).
• Miserable Extremely unhappy or uncomfortable
• Miserable Unpleasant, depressing weather.
• Miss the boat To miss an opportunity.
• Missus Wife or girlfriend (British informal).
• Mither Bother, worry, pester (Yorkshire/Lancashire).
• Mobile Cell phone
• Monday morning feeling The reluctance and tiredness at the start of the work week
• Monday morning quarterback Someone who criticizes decisions after the fact.
• Money doesn't grow on trees Money is not unlimited; it must be earned
• Money for old rope Easy money, profit for minimal effort
• Money Pit Something that constantly drains money
• Monkey Five hundred pounds.
• Monkey business Mischief; silly or dishonest behaviour.
• Monkey see, monkey do Copying others without understanding; mindless imitation.
• moonlight have a second job secretly
• Moonlighting Having secret second job
• Mopey Sad and listless, sulking
• Moreish So tasty you want more (British)
• Morning A casual way to say 'Good morning'
• Moron A stupid person.
• Mortal Extremely drunk (Geordie/Northern).
• Mortified Extremely embarrassed
• MOT annual vehicle safety test
• Mother A woman who is iconic, nurturing, or commands respect; the best.
• Motor A car.
• Motorway A major highway for high-speed traffic (British).
• Move the goalposts To unfairly change the rules or requirements midway.
• Move your bowels Medical/polite term for defecating.
• Mucking in Getting involved and helping with work (British)
• Mug A gullible person or fool (British)
• Mug off Disrespect, make a fool of, reject (British dating slang).
• Muggy Warm and humid.
• Munted Very drunk; severely hungover or messed up.
• Munter British slang for an unattractive person.
• Muppet An idiot or incompetent person.
• Mush Face; also a term of address for a man.
• Must Dash I have to leave quickly.
• Mwah Air kiss sound (greeting/farewell).
• My Bad My mistake; I'm sorry
• My dear Term of endearment, often older to younger (traditional).
• My type on paper Theoretically attractive but no chemistry (Love Island term).