"perk" in the noun sense
1. fringe benefit, perquisite, perk
an incidental benefit awarded for certain types of employment (especially if it is regarded as a right
"a limousine is one of the fringe benefits of the job"
"perk" in the verb sense
1. perk up, perk, percolate, pick up, gain vigor
gain or regain energy
"I picked up after a nap"
Source: WordNet® (An amazing lexical database of English)
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