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
Among the experiments to be performed will be studies of the effect of microgravity on the brain—crucial information to have in the run-up to long-term missions to the moon and Mars—as well as similar investigations of how the heart and muscles adapt to space.
—
Jeffrey Kluger, Time, 6 June 2025
More: Planes on the brain: Trump covets jet gift, announces Boeing deal on Qatar trip
The Air Force One program has faced chronic delays over the last decade, with the delivery of two new 747-8s slated for 2027, three years behind the previous schedule.
—Reuters, USA Today, 6 June 2025
But far from being laughable, these behavioral stereotypes are the external manifestations of big internal shifts, many of them linked to the effects of fluctuating hormones on the brain.
—Andrea Kane, CNN Money, 21 May 2025
Either type of excessive drinking can result in long-term problems, including impacts on the brain, heart and liver.
—Katia Hetter, CNN Money, 9 Apr. 2025
See All Example Sentences for on the brain
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.
Jeffrey Kluger, Time, 6 June 2025
More: Planes on the brain: Trump covets jet gift, announces Boeing deal on Qatar trip
The Air Force One program has faced chronic delays over the last decade, with the delivery of two new 747-8s slated for 2027, three years behind the previous schedule.
—Reuters, USA Today, 6 June 2025
But far from being laughable, these behavioral stereotypes are the external manifestations of big internal shifts, many of them linked to the effects of fluctuating hormones on the brain.
—Andrea Kane, CNN Money, 21 May 2025
Either type of excessive drinking can result in long-term problems, including impacts on the brain, heart and liver.
—Katia Hetter, CNN Money, 9 Apr. 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 17 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share