| monkey business | |
| —n | |
| informal mischievous, suspect, dishonest, or meddlesome behaviour or acts | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a gadget; dingus; thingumbob. |
monkey business definitionand funny business
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monkey business
Silly, mischievous, or deceitful conduct, as in The teacher told the children to cut out the monkey business and get to work, or I don't trust that lawyer
there's some monkey business going on. This expression transfers the tricks of monkeys to human behavior. [Late 1800s]