beat/bash someone's brains out/in

idiom

Definition of beat/bash someone's brains out/in

informal
: to hit someone on the head in a way that causes serious injury or death : to beat someone very badly They threatened to beat my brains out/in if I ever came here again.

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Cite this Entry

“Beat/bash someone's brains out/in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beat%2Fbash%20someone%27s%20brains%20out%2Fin. Accessed 23 Jul. 2021.

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