Top Definition
A newcomer, whether a novice or someone in a responsibility-laden profession, who is new to his/her job. Pronounced 'en-kay-oh-tee-bee"; an acronym for "new kid on the block".
Mrs. Stamatis is an nkotb. Let her get used to her new job. She's a little stressed out from the change.
by pentozali January 09, 2006

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