flea in ear
an idea or answer that is not welcome
I put a flea in our supervisor's ear when I told him about the computer problems.

The idea about changing the schedules is a flea in the supervisor's ear.

[TahlilGaran] English Idioms Dictionary ▲

flea in someone's ear
an idea or answer that is not welcome
I put a flea in our supervisor's ear when I told him about the computer problems.

The idea about changing the schedules is a flea in the supervisor's ear.

[TahlilGaran] English Idioms Dictionary ▲

flea in one's ear
an annoying hint, an idea or answer that is not welcome
Our boss has a flea in her ear about changing the way that the business operates.

[TahlilGaran] English Idioms Dictionary ▲

flea in one's ear
n. phr., informal An idea or answer that is not welcome; an annoying or surprisingly sharp reply or hint.
I'll put a flea in his ear if he bothers me once more.

[TahlilGaran] English Idioms Dictionary ▲