I honestly never heard of that word.. 닝꾸.. 0.0;;
But I found that some people say "닝꾸" instead of "링크"(link) just to say it in a cute way.
This slang is not recommended to use... Please don't. It just sounds too weird and not common at all.
February 3, 2016
Still haven’t found your answers?
Write down your questions and let the native speakers help you!