Definition of "perked up" []

• Made or become more cheerful or lively (adjective)

WordNet. Princeton University. 2010.

• "He perked up now, studying Myron's face, trying to guess who the big movie star was."
• "His floppy ears perked up as he inched closer to Rubys knothole."
• "Corsi was just about ready to thank Ramark for his efforts and depart with the away team when he perked up and said, I found something, Commander Corsi."