hear through the grapevine

(verb) to hear a rumour

Example Sentences:

The students heard through the grapevine that their teacher was gay.

A: Have you heard the news?
B: What news?
A: Well, I keep hearing through the grapevine that our company is going to be moved to France.
B: Oh no! I can’t speak French!

Media:

Similar idioms:

1. excuse my French
2. one can hear a pin drop
3. prick up one’s ears
4. get through to
5. make hay while the sun shines