nines
n.— «Priding itself on its “five-nines” reliability pedigree—VeriSign’s uptime performance of running dot-net and dot-net is 100 percent—the company is guaranteeing the same reliability for operator customers.» —“VeriSign expands networks in Asia” by Jeanne Lim in Singapore ZDNet Asia June 21, 2006. (source: Double-Tongued Dictionary)
Further reading
Stunt performers in movies have their own jargon for talking about their dangerous work. In New York City, the slang term brick means “cold,” and dumb brick means “really cold.” Plus: the East and Central African tradition...
Sending someone a care package shows you care, of course. But the first care packages were boxes of food and personal items for survivors of World War II. They were from the Committee for American Remittances to Europe, the acronym for which is CARE...