Meaning of the word "monkey business" in English

What does "monkey business" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

monkey business

US /ˈmʌŋ.ki ˈbɪz.nɪs/
UK /ˈmʌŋ.ki ˈbɪz.nɪs/
"monkey business" picture

Idiom

1.

silly, dishonest, or mischievous behavior

Example:
Stop all that monkey business and get to work!
The teacher suspected some monkey business was going on during the exam.
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