brain someone

Idioms  

1. Hit someone hard on the head. For example, The roof collapsed and a bunk of plaster brained him, or I'll brain you if you don't get to those dishes! This term is used both literally (first example) and hyperbolically (second example). [Slang; 1930s]

---

Example Sentences

Similarly, Hearst says that her ideal customer is, above all, a man with “a modern brain,” someone who is engaged with the issues of our time, such as climate change — the brand exclusively uses biodegradable packaging — and dissolving gender lines altogether.

From New York Times

He repeated the old doll’s words over and over until they wore a smooth groove of hope in his brain: Someone will come; someone will come for you.

From Literature

Her sister June called her the family brain, someone who organized gatherings and coordinated help for relatives in trouble.

From BusinessWeek