take a cold shower
US /teɪk ə koʊld ˈʃaʊər/
UK /teɪk ə koʊld ˈʃaʊər/
1.
to wash oneself with cold water, often to refresh or invigorate
:
•
After a long run, I always take a cold shower to cool down.
•
Some people believe that to take a cold shower in the morning boosts their immune system.