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 increase is due to caffeine's effect on the brain, which triggers a chain of events that causes blood vessels to narrow and systolic and diastolic pressure to rise for up to four hours or more.
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Md Published, Verywell Health, 19 July 2025
The presentations to the RSM suggested that the effects of COVID on the brain could be contributing to the skyrocketing ADHD and Autism diagnosis waiting lists and to the absence epidemic.
—Nancy Doyle, Forbes.com, 15 July 2025
But our readers clearly had more than just vacation outfits on the brain.
—Venus Wong, refinery29.com, 9 July 2025
In addition to putting stress on the body, hot weather can also take a toll on the brain and mental health.
—Angelica Stabile, FOXNews.com, 27 June 2025
See All Example Sentences for on the brain
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Md Published, Verywell Health, 19 July 2025
The presentations to the RSM suggested that the effects of COVID on the brain could be contributing to the skyrocketing ADHD and Autism diagnosis waiting lists and to the absence epidemic.
—Nancy Doyle, Forbes.com, 15 July 2025
But our readers clearly had more than just vacation outfits on the brain.
—Venus Wong, refinery29.com, 9 July 2025
In addition to putting stress on the body, hot weather can also take a toll on the brain and mental health.
—Angelica Stabile, FOXNews.com, 27 June 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 30 Jul. 2025.
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