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
Similarly, other vaccines may have a protective effect on the brain.
—
Tom Gavin, EverydayHealth.com, 2 Dec. 2025
In a pilot study published in Scientific Reports, researchers found that GLP-1 agonists (which mimic the effects of GLP-1 compounds) slowed the speed at which alcohol enters the bloodstream, which also slowed effects on the brain.
—Scott Lafee, San Diego Union-Tribune, 25 Nov. 2025
This puts pressure on the brain and can lead to damage.
—Jack Beresford, MSNBC Newsweek, 8 Nov. 2025
Neuromorphic computing, or hardware modeled on the brain’s neurons and spikes, is rapidly moving from research labs into real-world engineering.
—Srishti Gupta, Interesting Engineering, 5 Nov. 2025
See All Example Sentences for on the brain
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Tom Gavin, EverydayHealth.com, 2 Dec. 2025
In a pilot study published in Scientific Reports, researchers found that GLP-1 agonists (which mimic the effects of GLP-1 compounds) slowed the speed at which alcohol enters the bloodstream, which also slowed effects on the brain.
—Scott Lafee, San Diego Union-Tribune, 25 Nov. 2025
This puts pressure on the brain and can lead to damage.
—Jack Beresford, MSNBC Newsweek, 8 Nov. 2025
Neuromorphic computing, or hardware modeled on the brain’s neurons and spikes, is rapidly moving from research labs into real-world engineering.
—Srishti Gupta, Interesting Engineering, 5 Nov. 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 6 Dec. 2025.
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