beat one's brains out

phrase

: to try intently to resolve something difficult by thinking
I beat my brains out trying to figure it out.

Word History

First Known Use

1956, in the meaning defined above

Time Traveler
The first known use of beat one's brains out was in 1956

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Cite this Entry

“Beat one's brains out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beat%20one%27s%20brains%20out. Accessed 9 Mar. 2026.

Last Updated: - Definition revised
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