on the brain

phrase

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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Kraft and his team then create computer simulations of how the head impact causes strain on the brain and in what region of the brain. — Kristine Sorensen, CBS News, 24 Aug. 2026 To get around the blood-brain barrier, the team injected the cells directly into the tumor site on the brain through a catheter. — Isabella Backman, Hartford Courant, 24 Aug. 2026 For one, the implant uses electrocorticography (ECoG) electrode arrays that rest on the brain’s surface—a distinction from other BCI designs that place penetrating electrodes inside brain tissue. — Shannon Cuthrell, IEEE Spectrum, 20 Aug. 2026 Past studies on estrogen therapy’s effect on the brain have had mixed findings. — Tom Gavin, EverydayHealth.com, 12 Aug. 2026 See All Example Sentences for on the brain

Rhymes for on the brain

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Browse Nearby Words

on the books
on the brain
on the bright side
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Cite this Entry

“On the brain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20the%20brain. Accessed 1 Sep. 2026.

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