fool around
Idioms-
Also, monkey around . Engage in idle or casual activity, putter. For example, Jim loved to fool around with his computer , or She was monkeying around with some figures in hopes of balancing the budget . [Second half of 1800s]
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Engage in frivolous activity, waste time. For example, Instead of studying, he spends all his spare time fooling around . Also see fool away .
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Engage in flirting or casual sexual acts; also, engage in adultery. For example, He caught the two teenagers fooling around in the basement . [1830s]
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.