This is a 4chan term used to refer black people. Often with an offensive meaning, it can be useful to avoid the daily "counter-democratic" 4chanian cesorship.
Hey there, look at this jogger, can't see very well, might be a noggi jogger.
Big OYK, Big EBK, Smokin that Wooski pack, devK
Oh you Noggy Gz? We finna smoke the Wooski