Knark Share definition Flag Norwegian slang, often used in Bergen, meaning: drug addict or a person who uses a lot of drugs. Henrik: "Have seen that knark Daniel?" Jonas: "No, but he is probably doing drugs under a bridge." Knark by TheDefinator2000 November 6, 2018 0 0 Get merch Get the Knark mug. Buy Now — $32.95 See more merch