1
general::
perk up
to improve or become more exciting
• Share prices perked up slightly before the close of trading., perk (sb) up
[ M ]
to become or cause someone to become happier, more energetic or active
• She perked up as soon as I mentioned that Charles was coming to dinner.
• He perked up at the news.
• Would you like a cup of coffee? It might perk you up a bit.
Cambridge-Phrasal Verbs