monkeyshine

[ muhng-kee-shahyn ]
/ ˈmʌŋ kiˌʃaɪn /

noun

Usually monkeyshines. a frivolous or mischievous prank; monkey business.

Origin of monkeyshine

1820–30; monkey + shine1 (in the sense of ‘a foolish prank’)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for monkey-shines