BK (acronym) Type: noun, acronym, slang Pronunciation: /b-k/ What does BK mean and stand for? Brooklyn, New York. BK is short for Brooklyn, New York. BK Synonyms: Concrete Jungle Similar to BK: BX, N.Y. Example sentence: “It’s been a while since i’ve been to BK.” BK in songs: “Representing BK to the fullest” – The Notorious B.I.G., […]