verb
perks; perked; perking
compare 2perk
perk up
[phrasal verb] informal
to become more lively or cheerful
b perk (someone) up or perk up (someone) :to make (someone) more lively or cheerful
perk (something) up or perk up (something) :to make (something) fresher or more appealing
chiefly US
a perk (ears) up or perk up (ears) of an animal :to lift (the ears) in a quick or alert way
b of ears :to be lifted in a quick and alert way
verb
perks; perked; perking
[no obj] chiefly US informal :percolate
noun
plural perks
[count] something extra that someone receives in addition to regular pay for doing a job - usually plural
a good thing that you have or get because of your situation - usually plural