To perk oneself To plume oneself on anything (Welsh, percu, to smarten or plume feathers, perc, neat ) You begin to perk up a bit - i e to get a little fatter and more plump after an illness (See above
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"
Perks are special benefits that are given to people who have a particular job or belong to a particular group. a company car, private medical insurance and other perks One of the perks of being a student is cheap travel. A perquisite: "Temper tantrums over perks are more common than the American taxpayer might like to believe" (Maureen Dowd). To percolate: The coffee was perking on the stove. something that you get legally from your work in addition to your wages, such as goods, meals, or a car (perquisite)
To make trim or smart; to straighten up; to erect; to make a jaunty or saucy display of; as, to perk the ears; to perk up one's head