put ideas into sb's head
to make someone want to do something they had not thought about before, especially something stupid:
Don't go putting ideas into his head. We can't afford a new car.

[TahlilGaran] Advanced Learner's Dictionary ▲

put ideas into head
put ideas into (someone's) head
to make someone want to do something they had not thought about doing before, especially something stupid.
Don't go putting ideas into his head. We haven't got the money for a car.
(often in continuous tenses)
Who put all these ideas into her head about becoming an actress?

[TahlilGaran] English Idioms Dictionary ▲

put ideas into head
to suggest something (often bad) to someone
My mother was angry because I was putting ideas into my sister's head.

The girl's best friend is always putting ideas into her head.

[TahlilGaran] English Idioms Dictionary ▲

put ideas into someone's head
put ideas into (someone's) head
to make someone want to do something they had not thought about doing before, especially something stupid.
Don't go putting ideas into his head. We haven't got the money for a car.
(often in continuous tenses)
Who put all these ideas into her head about becoming an actress?

[TahlilGaran] English Idioms Dictionary ▲

put ideas into someone's head
to suggest something (often bad) to someone
My mother was angry because I was putting ideas into my sister's head.

The girl's best friend is always putting ideas into her head.

[TahlilGaran] English Idioms Dictionary ▲

put ideas into one's head
v. phr. To persuade someone to do something negative; put one up to something.
Billy would never have poured glue into his father's shoes if the neighbor's son hadn't been putting ideas into his head.

[TahlilGaran] English Idioms Dictionary ▲