Topic: DRINK
 |
| |||||||||
perk2 [intransitive and transitive]
informalDFD to percolate (3)
perk up
phrasal verb1 to become more cheerful, active, and interested in what is happening around you, or to make someone feel this way : 
She seemed kind of tired, but she perked up when Helen came over.
She seemed kind of tired, but she perked up when Helen came over.2 to become more active, more interesting, more attractive etc, or to make something do this
