Somebody’s ears are flapping

Pro Tip 1/3

Used when privacy might be compromised because someone could overhear a conversation.

Lower your voice; somebody’s ears are flapping, and this is confidential.

Pro Tip 2/3

It's casual language, so avoid using it in formal situations like business meetings or academic papers.

They lowered their voices, joking that somebody’s ears are flapping nearby.

Pro Tip 3/3

It's a metaphor; no one's ears are actually moving; it's just implying that they're listening in.

Careful what you say about the boss; somebody’s ears are flapping around here.