on the brain

idiom

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

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The former’s had the Giants on the brain for weeks, even to the point of flashing some custom cleats that featured the G-Men’s famous blue-and-red logo. —

Sean Keeler, The Denver Post, 6 Jan. 2025 That’s different from opioids, which act directly on the brain to block pain, triggering the brain’s rewards centers in a way that can feed addiction. —

Annika Kim Constantino, CNBC, 30 Jan. 2025 Researchers from largest study on its effects on the brain have a warning for young adults Lindsey Leake Life Americans drink more water than almost every other country. —

Stephanie Watson, Fortune Well, 29 Jan. 2025 Third, Red 3 can have toxic effects on the brain in multiple ways. —

Lorne J. Hofseth, The Conversation, 23 Jan. 2025 See all Example Sentences for on the brain

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“On the brain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20the%20brain. Accessed 22 Feb. 2025.

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