hanky-panky
Americannoun
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unethical behavior; deceit.
When the bank teller bought an expensive car and house, they suspected there might be some hanky-panky going on.
-
illicit sexual relations.
noun
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dubious or suspicious behaviour
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foolish behaviour or talk
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illicit sexual relations
Etymology
Origin of hanky-panky
1835–45; rhyming compound; compare initial h, p of higgledy-piggledy, hocus-pocus, hodgepodge ( def. ), etc.
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.