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
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
I'mPhaedra Trethan, your intrepid national correspondent with bugs on the brain.
—Phaedra Trethan, USA Today, 29 Oct. 2025
Others used it to treat skull fractures and relieve pressure on the brain, Gross said.
—Lauren Liebhaber, Miami Herald, 29 Oct. 2025
Babies are still on the brain for the reality star.
—Alyssa Davis, PEOPLE, 29 Oct. 2025
See All Example Sentences for on the brain
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Srishti Gupta, Interesting Engineering, 5 Nov. 2025
I'mPhaedra Trethan, your intrepid national correspondent with bugs on the brain.
—Phaedra Trethan, USA Today, 29 Oct. 2025
Others used it to treat skull fractures and relieve pressure on the brain, Gross said.
—Lauren Liebhaber, Miami Herald, 29 Oct. 2025
Babies are still on the brain for the reality star.
—Alyssa Davis, PEOPLE, 29 Oct. 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 Nov. 2025.
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