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

Harry seems more at home in conversation with O’Connor, his eyes searching for answers to soft-spoken queries about grief’s effect on the brain, then lighting up with warmth at the memory of Diana. — Savannah Walsh, Vanity Fair, 8 Oct. 2026

On a balmy September night in Paris, analog was the on the brain as Revolve celebrated the launch of its glossy new magazine on day two of Paris Fashion Week. — Vogue, 5 Oct. 2026

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

Rhymes for on the brain

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