perking

Becoming more cheerful, lively, or energetic after a period of dullness.

"She's perking up after her holiday."

The process of making coffee using a percolator, often indicated by sound or smell.

"The aroma of coffee perking filled the kitchen."

(Of an animal's ears) standing up or becoming erect, often in response to a sound.

"The dog's ears were perking at the sudden noise."