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2 verb
Related topics: Drink
perk2 [intransitive and transitive]
informalDFD to percolate (3)

perk up

phrasal verb
1 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.
perk somebody ↔ up
There's no doubt coffee perks you up.
2 to become more active, more interesting, more attractive etc, or to make something do this
perk something ↔ up
A little chili will perk up the sauce.

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