Definition of perkes:
(n) :
(informal) Perquisite.
(n) :
(video games) A bonus ability that a player character can acquire; a permanent power-up.
(v) :
(transitive, informal) To make (coffee) in a percolator or a drip coffeemaker.
(v) :
(intransitive, informal) Of coffee: to be produced by heated water seeping (“percolating”) through coffee grounds.
(n) :
A percolator, particularly of coffee.
(v) :
(transitive) To make trim or smart; to straighten up; to erect; to make a jaunty or saucy display of.