Perk up (one's) ears informal verb phrase
Used to say that you become more or particularly alert, intrigued, or enthusiastic.
She perked up her ears when hearing my good news.
The children perked up their ears when their parents bought new toys for them.
To make someone more alert, fascinated, or enthusiastic.
Just seeing him perform on stage also perks up my ears.
Tales of humans with supernatural powers always perks up my ears whenever I hear of it.
Doing something or using something a lot.
To stay calm in a difficult situation and react to unexpected things quickly
Used to warn readers that an important detail of the plot is about to be revealed
To keep an eye on your enemies' behavior in order to avoid any malicious actions
1. Used to describe someone that are alert, energetic, and enthusiastic, typically after some refreshing activity.
2. Extremely clean and neat, or well-kept.
The verb "perk" should be conjugated according to its tense.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.