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

Both Drew Broussard and Jonny Diamond have apples on the brain and in the basket. — Brittany Allen, Literary Hub, 18 Sep. 2026

After the 10-round bout for the English lightweight title, Farrell slumped to the canvas and was rushed to hospital suffering a bleed on the brain. — Sarah Shephard, New York Times, 10 Sep. 2026

If fall is on the brain, scrap the breezy white tops and head straight for this forest green blouse by Gap. — Clara McMahon, PEOPLE, 28 Aug. 2026

In rodent studies, DHM seemed to clear alcohol from the animals’ bodies, reduce liver damage, and alter alcohol’s effects on the brain. — Shayla Love, New Yorker, 26 Aug. 2026

Rhymes for on the brain

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