having a cold shower
The Spanish phrase 'darse una ducha fría' translates to 'having a cold shower' in English. It is typically used when referring to the act of taking a shower with cold water. Similar to English, the phrase can also be used metaphorically in Spanish to indicate a sudden disappointment or unwelcome surprise.
In the mornings, I like to take a cold shower to wake myself up.
This sentence implies that the speaker has a routine of taking cold showers in the morning as a way of waking up.
When it's hot, it usually helps to take a cold shower.
This sentence expresses that when the weather is hot, taking a cold shower can be a helpful way of cooling down.
After running, I'm going to take a cold shower to refresh my body.
In this case, the speaker has finished an activity (running) that made them hot. They will take a cold shower to cool down and refresh themselves.