Definition of “have sth on the brain” - English Dictionary


“have sth on the brain” in English

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have sth on the brain

informal disapproving

to not be able to stop thinking or talking about one particular thing:

You've got cars on the brain. Can't we talk about something else for a change?

(Definition of “have sth on the brain” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)