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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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
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
See all Example Sentences for on the brain 
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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
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
See all Example Sentences for on the brain
Dictionary Entries Near on the brain
Cite this Entry
“On the brain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20the%20brain. Accessed 13 Feb. 2025.
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