put something into someone's head
put (something) into (one's) head
To cause or prompt one to think of something; to plant an idea or thought in one's head. Why did you go and put the idea of joining the military into his head? Chris put it into my head to apply for social welfare payments while I get my business up and running. Who put that ridiculous notion into your head?
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put something into someone's headsuggest something to someone.
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