a shock to the/someone's system
phrase
: something that has a sudden and usually unpleasant effect on someone
The cold weather was a shock to my system after being in the tropics.
For freshmen, college life can be a real shock to the system.
Cite this Entry
“A shock to the/someone's system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/a%20shock%20to%20the%2Fsomeone%27s%20system. Accessed 12 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
