Take it into your head to do something
phrase
Decide to do something suddenly or without thinking about it carefully.
I don't know why I took it into my head to go for a midnight swim. I guess it just seemed like a fun idea at the time.

Often appears as...
- take it into his head to leave
- take it into her head to swim
Usage tips
Idiomatic
phrase
Decide to do something suddenly or without thinking about it carefully.
I don't know why I took it into my head to go for a midnight swim. I guess it just seemed like a fun idea at the time.

Often appears as...
- take it into his head to leave
- take it into her head to swim
Usage tips
Idiomatic
Definition 1 of 1

Impulse Decisions
The phrase often implies acting on an impulse, without much planning or consideration.

She just took it into her head to buy that expensive dress.
Sudden Inspiration
It can suggest a stroke of inspiration leading to unplanned action.

He suddenly took it into his head to paint the kitchen red.
Unpredictability
Using the phrase can hint at a person's unpredictable nature or behavior.

Out of nowhere, she took it into her head to adopt a puppy.
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