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switcheroo

American  
[swich-uh-roo, swich-uh-roo] / ˌswɪtʃ əˈru, ˈswɪtʃ əˌru /

noun

Slang.

plural

switcheroos

  1. an unexpected or sudden change or reversal in attitude, character, position, action, etc.

switcheroo British  
/ ˌswɪtʃəˈruː /

noun

  1. slang a surprising or unexpected change or variation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of switcheroo

First recorded in 1930–35; switch + -eroo

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.