on the brain

idiom

Definition of on the brain

informal
: always in one's thoughts I've had pizza on the brain all day. He's got sex on the brain.

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Dictionary Entries Near on the brain

on the bone

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 6 Jul. 2022.

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