on the brain

phrase

informal

: always in one's thoughts

I've had pizza on the brain all day.

He's got sex on the brain.

Examples of on the brain in a Sentence

Recent Examples on the Web

The data from those animal trials showed a 400 percent uptick in lifespan, largely thanks to Klotho’s protective impact on the brain. — Mark Ellwood, Robb Report, 9 Aug. 2026

While people who are good at navigation might gravitate to this kind of job, the job itself does have an impact on the brain. — Hatim Sharif, The Conversation, 6 Aug. 2026

Then, the researchers used machine learning to try to predict what a participant was looking at based on the brain’s electrical activity. — Isabella Backman, Hartford Courant, 25 July 2026

And actually, it’s primed for a renaissance, now that everyone has Homer on the brain. — Elaina Patton, IndieWire, 24 July 2026

Rhymes for on the brain

• aeroplane
• appertain
• ascertain
• capitaine
• cassegrain
• cellophane
• chatelaine
• counterpane
• entertain
• halothane
• hurricane
• hyperplane