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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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.
Lesions on the brain are considered a hallmark of MS, but they can also be caused by other medical issues such as high blood pressure, smoking or migraines. — Kerry Breen, CBS News, 20 Oct. 2026 Other research has focused on the brain structure and function associated with psychopathy. — David Dematteo, The Conversation, 20 Oct. 2026 One possible injury is a subdural hematoma, which is bleeding between the brain and its outer protective covering putting pressure on the brain. — Katia Hetter, CNN Money, 16 Oct. 2026 An uninterrupted trip Stoliker thinks chaos is not a satisfactory explanation for psychedelics’ effect on the brain. — Jacek Krywko, ArsTechnica, 10 Oct. 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 27 Oct. 2026.

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