| A | B | C | D | E | F | G | H | I |
| J | K | L | M | N | O | P | Q | R |
| S | T | U | V | W | X | Y | Z |
- A Mouthful
- Mad as a Hatter
- Made Of Money
- Make a Beeline for (someone, something)
- Make A Fuss
- Make a Mountain Out of a Molehill
- Make Amends
- Make One’s Blood Curdle
- Make One’s Blood Run Cold
- Make One’s Skin Crawl
- Marching Orders (To Get One’s)
- Midas Touch, the
- Middle of Nowhere, the
- Mile a Minute, a
- Miles Away, to be
- Monday-morning Quarterback
- Money Burns a Hole in Your (or one’s) Pocket
- Money Laundering
- More Fun Than a Barrel of Monkeys
- Mothball
- Much Ado About Nothing
- Murphy’s Law
- My Heart Bleeds For You
- My Pleasure, it was (Thank You Response)