Idioms beginning with M

  • Mad As A Box Of (Soapy) Frogs

    Meaning: extremely mentally unstable; psychotic; detached from reality.

  • Mad as A Hatter

    Meaning: Mentally ill, psychotic

  • Main Squeeze

    Meaning: Committed romantic partner

  • Make a Break for It

    Meaning: Try to escape, run off

  • Make a Mountain out of a Molehill

    Meaning: To take something too seriously; to make too much of something

  • Make a Silk Purse out of a Sow’s Ear

    Meaning: Turn something ordinary or inferior into something refined and beautiful

  • Make Ends Meet

    Meaning: Have enough money to cover basic expenses

  • Make Hay (While the Sun Shines)

    Meaning: To take advantage of an opportunity at the right time.

  • Make Love

    Meaning: To have sexual intercourse

  • Make Nice

    Meaning: Act cordial despite conflict

  • Make One’s Mark

    Meaning: Attain influence or recognition

  • Make Someone’s Day

    Meaning: Do something pleasing that puts someone in a good mood

  • Make Waves

    Meaning: Cause controversy, disturb a calm group dynamic

  • Man Cave

    Meaning: A part of the house, often the basement, that is left to the man of the household, perhaps with a workshop, a television for watching sports, etc.

  • March to the Beat of Your Own Drum

    Meaning: When someone does things the way they want to, without taking anybody else or anything else into consideration.

  • Match Made in Heaven

    Meaning: A relationship in which the two people are great together, because they complement each other so well

  • May-December (adj.)

    Meaning: Significantly different in age. Said of couples where one member is much older. The most common usage is May-December romance.

  • May-December Marriage

    Meaning: A marriage between a younger and an older partner, typically a young woman and an old man.

  • Me Time

    Meaning: Activities undertaken for one’s own enjoyment, free from responsibilities to others.

  • Meeting of the Minds

    Meaning: Strong instinctive agreement on something

  • Mend Fences

    Meaning: Improve relations after a dispute

  • Mind One’s P’s and Q’s

    Meaning: Be attentive to details; be on one’s best behavior

  • Miss the Boat

    Meaning: Be too late for something; miss an opportunity

  • Monday Morning Quarterback

    Meaning: Someone who offers criticisms or comments after already knowing the outcome of something

  • Month of Sundays

    Meaning: A long time, many months

  • More Fun Than A Barrel of Monkeys

    Meaning: A very good time; a pleasant occasion

  • Mother Nature

    Meaning: The natural world

  • Move Heaven and Earth

    Meaning: Take all possible steps in trying to accomplish something

  • Move the Needle

    Meaning: Have a measurable effect on something

  • Move Up in the World

    Meaning: Become more successful

  • Movers and Shakers

    Meaning: Influential people, especially in a particular field

  • Much Of A Muchness

    Meaning: Essentially equal, not significantly different (said of a choice)

  • Mum’s the Word

    Meaning: This is secret; don’t talk about this. Often used as an answer to a request not to talk about something.

  • Music to My Ears

    Meaning: Good to hear; welcome news

  • Mutton Dressed Up as Lamb

    Meaning: A woman who dresses in a style appropriate to someone of a younger age

  • My Dogs Are Barking

    Meaning: My feet hurt.

  • My Old Man, My Old Lady

    Meaning: My spouse

  • My Way or the Highway

    Meaning: If you do not do things the way I want or require, then you can just leave or not participate.