| Idiom | Meaning | Example |
| moneybags |
rich person, loaded person
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We used to call him moneybags. He always had money on him.
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| monkey business |
nonsense, foolishness, funny stuff
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I've had enough of your monkey business. No more foolishness.
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| monkey off my back |
(See get this monkey off my back)
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| monkey's uncle |
(See I'll be a monkey's uncle)
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| monkeywrenching |
trying to ruin a project, sabotaging, throw a monkey wrench into...
|
The members of Green Peace were accused of monkeywrenching the whale hunt. They tried to stop it.
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| month of Sundays |
(See a month of Sundays)
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| moola |
money, cash, scratch
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Without moola, we can't travel. We need money for air fare.
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| moon them |
show them a bare bum, show your bare buttocks
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They booed him for dropping the ball, so he mooned them.
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| moonlighting |
working at a second job in the evening
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Bernie is very tired these days because he's moonlighting.
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| moonshine |
homemade liquor, hooch, screech
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Art invited us over to taste his moonshine - homemade wine.
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