Derived from the word Illuminati, it refers to a math elite that are increasingly controlling the future. One of the first people to popularize the phrase, "The Numerati" was the author and journalist, Stephen Baker, who also has a book of the same name.
In this age of science and technology, it is no big surprise that the global elite will increasingly be run by the Numerati.
A stage in life in which a normal person undergoes the initial changes that will eventually lead to nubhood or their coming into nubhood. Similar to Puberty only it tends to work in reverse, they become weaker, less coordinated and ultimately suck at life, thus they become a nub.
He was such a cool guy, athletic and smart, then all of a sudden he lost 30 pounds and started sucking at Halo... he must be going through Nuberty or something.