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A nickname given to a person (usually male) who has a first name beginning with "N" and a second name beginning with "K".

The persons initals are therefore NK, which when pronounced out loud are "enn-kay", or Enkay.

Similar to how the company Standard Oil later became known as Esso.
Steven: "Hey Neil, why do people call you Enkay?"
Neil: "Because my initals are N - K. Get it?"
Steven: "Haha thats pretty neat."
by Niall Kennedy May 11, 2008
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