Nefg is a war cry of sorts. Also meaning "Shit" or when something goes wrong or bad, or just exclaiming it out of sheer boredom.
"Nefg. I just stubbed my toe"
"NEFG! Lets go do something"
Northeastern Faceters Guild NEFG.
A organization in internet space dedicated to recognizing the talent in the field and furthering the art of faceting.
A group of facetors both professional and hobbyists who enjoy faceting gemstones, talking about them and finding better ways of faceting.
The NEFG Hobbyist enjoys cutting gemstones for his collection and typically belongs to a Rock & Mineral club or faceting club to meet and enjoy the hobby.