Meaning of the word "pin back your ears" in English

What does "pin back your ears" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

pin back your ears

US /pɪn bæk jʊər ɪərz/
UK /pɪn bæk jɔːr ɪərz/
"pin back your ears" picture

Idiom

to listen carefully

Example:
Now, everyone, pin back your ears, because I'm only going to say this once.
You'd better pin back your ears when the boss is talking about the new project.