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.
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 11 Dec. 2025.
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Merriam-Webster unabridged
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