become or make more cheerful, lively, or interesting

she'd been depressed, but she seemed to perk up last week

the coffee had perked him up long enough to tackle the reviews

a benefit to which one is entitled because of one's job

many agencies are helping to keep personnel at their jobs by providing perks

(with reference to coffee) percolate

while the coffee perks, head out for the morning paper

she showed us how to perk the coffee

a coffee percolator

Leo hooked up an extension cord for me so I can use my perk