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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Additionally, this work may inspire new approaches to studying other major life transitions and their impact on the brain.
—
William A. Haseltine, Forbes, 10 Jan. 2025
Joseph Schacht, associate professor of psychiatry-substance dependence at the University of Colorado, Anschutz Medical Campus, studies the effects of alcohol on the brain.
—April Fulton, NPR, 3 Jan. 2025
Its effects on the brain also cause issues with gait, balance, and memory.
—Cassie Shortsleeve, SELF, 3 Jan. 2025
Does Gomez have iridescent bubbles and pink ballgowns on the brain, or are visions of sugarplums dancing in her head?
—Kara Nesvig, Allure, 20 Dec. 2024
See all Example Sentences for on the brain 
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William A. Haseltine, Forbes, 10 Jan. 2025
Joseph Schacht, associate professor of psychiatry-substance dependence at the University of Colorado, Anschutz Medical Campus, studies the effects of alcohol on the brain.
—April Fulton, NPR, 3 Jan. 2025
Its effects on the brain also cause issues with gait, balance, and memory.
—Cassie Shortsleeve, SELF, 3 Jan. 2025
Does Gomez have iridescent bubbles and pink ballgowns on the brain, or are visions of sugarplums dancing in her head?
—Kara Nesvig, Allure, 20 Dec. 2024
See all Example Sentences for on the brain
Dictionary Entries Near 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 30 Jan. 2025.
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