beat one's brains out

== English == === Verb === beat one's brains out (third-person singular simple present beats one's brains out, present participle beating one's brains out, simple past beat one's brains out, past participle beaten one's brains out or (colloquial) beat one's brains out) (informal) to think very hard about. Synonyms: rack one's brain, cudgel one's brain ==== Translations ==== ==== See also ==== beat someone's brains out ==== References ==== “beat your brains out” (US) in Macmillan English Dictionary. “beat your brains out” in Longman Dictionary of Contemporary English, Longman.