Have something on the brain

usgb
phrase

To be continually thinking about something, usually something that is of great interest or concern.

He has been having the upcoming exams on his brain for weeks now.
Visual representation of "have something on the brain" - To be continually thinking about something, usually something that is of great interest or concern.

Often appears as...

  • have exams on the brain
  • have work on the brain

Usage tips

Idiomatic

Definition 1 of 1
Visual representation of "have something on the brain"
LampPro Tip 1/3

Sustained Focus

Use when someone can't stop thinking about one topic over a long period.

Illustration for Sustained Focus
Lisa has had wedding plans on the brain for months now.
LampPro Tip 2/3

Emotional Weight

The phrase often suggests that the thought comes with worry or excitement.

Illustration for Emotional Weight
Ever since the promotion talk, he's had the job on the brain.
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Informal Use

It's casual and more suitable for conversational contexts, not for formal writing.

Illustration for Informal Use
You really have soccer on the brain, don't you?
Visual representation of the word "Have something on the brain"

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