| Idiom | Meaning | Example |
| Mother Nature |
nature, natural forces and causes
|
Mother Nature provided the basic foods: wild vegetables and water.
|
| motherfucker [B] |
a person you dislike, creep, scum
|
That motherfucker! I'd like to kick his ass to kingdom come!
|
| motherhood and apple pie |
statements about mom and home etc.
|
The audience wants news and facts, not motherhood and apple pie.
|
| motherlode |
the largest amount, the main supply, a shitload
|
He played poker for six hours before he won the motherlode.
|
| motormouth |
one who talks fast but says very little, disk jockey
|
Listen to that motormouth! He talks fast but says nothing.
|
| mount a comeback |
begin to score goals or points while losing, snatch victory from...
|
Our soccer team was losing 4-1, but they mounted a comeback and won the game 5-4.
|
| Mounties |
Royal Canadian Mounted Police (RCMP)
|
The Mounties, Canada's police force, were once called Redcoats.
|
| mousy |
worn and faded, shabby
|
This shirt is kind of mousy, but I love to wear it.
|
| mouth off |
tell a secret, talk about private information
|
Why did you mouth off about the accident? I was going to tell Dad.
|
| move it |
go, go faster, get going
|
"Move it!" said the guard. "Get in your cell!"
|