shake-up

[ sheyk-uhp ]
/ ˈʃeɪkˌʌp /

noun

a thorough change in a business, department, or the like, as by dismissals, demotions, etc.

Origin of shake-up

First recorded in 1900–05; noun use of verb phrase shake up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for shake-up

shake up

verb (tr, adverb)

to shake or agitate in order to mix
to reorganize drastically
to stir or rouse
to restore the shape of (a pillow, cushion, etc)
informal to disturb or shock mentally or physically

noun shake-up

informal a radical or drastic reorganization
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

Idioms and Phrases with shake-up

shake up

1

Agitate in order to mix or loosen, as in This cough medicine needs to be thoroughly shaken up, or Please shake up these pillows.

2

Upset greatly, as in Even though no one was hurt, he was greatly shaken up by the accident. This usage alludes to being agitated like a liquid being shaken. Also see all shook up. [Late 1800s]

3

Subject to drastic rearrangement or reorganization, as in New management was bent on shaking up each division.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.