monkeyshine

[muhng-kee-shahyn] /ˈmʌŋ kiˌʃaɪn/
noun
1.
Usually, monkeyshines. a frivolous or mischievous prank; monkey business.
Origin
1820-30; monkey + shine
Slang definitions & phrases for monkeyshines

monkeyshines

noun

Tricks; japes and capers; pranks (1832+)