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 new study sheds more light on air pollution’s influence on the brain.
—
Miriam Fauzia, Dallas Morning News, 19 Feb. 2026
Their effects on the brain and the nervous system vary from substance to substance because of chemical differences between them.
—Erica Rex, STAT, 19 Feb. 2026
The point, according to White, is to use music’s transformative effects on the brain to design therapeutic activities that improve cognition and motor skills while increasing social and life skills for clients with developmental disabilities.
—Reylee Billingsley, AZCentral.com, 7 Feb. 2026
Cough Suppressants Dextromethorphan is a cough suppressant that acts on the brain to reduce coughing.
—Karen Berger, Verywell Health, 5 Feb. 2026
See All Example Sentences for on the brain
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Miriam Fauzia, Dallas Morning News, 19 Feb. 2026
Their effects on the brain and the nervous system vary from substance to substance because of chemical differences between them.
—Erica Rex, STAT, 19 Feb. 2026
The point, according to White, is to use music’s transformative effects on the brain to design therapeutic activities that improve cognition and motor skills while increasing social and life skills for clients with developmental disabilities.
—Reylee Billingsley, AZCentral.com, 7 Feb. 2026
Cough Suppressants Dextromethorphan is a cough suppressant that acts on the brain to reduce coughing.
—Karen Berger, Verywell Health, 5 Feb. 2026
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 25 Feb. 2026.
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