To perk is defined as to stick up or liven up.(verb)
An example of to perk is to bounce up after a nap.
The definition of a perk is a benefit.(noun)
An example of a perk is a reward points package with a credit card.
See perk in Webster's New World College Dictionary
Origin: ME perken < ? NormFr perquer, var. of OFr percher, perch
transitive verb, intransitive verb
See perk in American Heritage Dictionary 4
verb perked, perk·ing, perks verb, intransitive
Origin: Possibly Middle English perken, to perch
Origin: , from perk, rod, perch
Origin: , probably from Medieval Latin perca
Origin: and from Old French perche, perce
Origin: , both from Latin pertica, rod; see perch 1.
Origin: Shortening and alteration of perquisite.
intransitive verb perked, perk·ing, perks
Learn more about perk