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
Recent Examples on the Web
The failure of the Simmons-era Nets falls little on Simmons’ shoulders and more on the brain trust responsible for assembling the cast.
—
Kristian Winfield, New York Daily News, 21 July 2025
Numerous studies show that spending time outside has a direct impact on the brain and body.
—Erica Zurek, Twin Cities, 31 May 2025
As the name suggests, the opioid signalling pathway in the brain is responsible for how opioids, like certain painkillers, act on the brain.
—Eva Amsen, Forbes.com, 19 May 2025
Each array is made up of 1,024 electrodes that can record, monitor and stimulate electrical activity on the brain’s surface.
—Ashley Capoot, CNBC, 17 Apr. 2025
See All Example Sentences for on the brain
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Kristian Winfield, New York Daily News, 21 July 2025
Numerous studies show that spending time outside has a direct impact on the brain and body.
—Erica Zurek, Twin Cities, 31 May 2025
As the name suggests, the opioid signalling pathway in the brain is responsible for how opioids, like certain painkillers, act on the brain.
—Eva Amsen, Forbes.com, 19 May 2025
Each array is made up of 1,024 electrodes that can record, monitor and stimulate electrical activity on the brain’s surface.
—Ashley Capoot, CNBC, 17 Apr. 2025
See All Example Sentences for 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 4 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share