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