Newdini

To disappear unannounced during a nightly event. Usually to the monetary advantage of the perpetrator. I.e. skipping out on the bar bill. Also known as the Irish goodbye.

Where's Brian, he owes us for the bill. He told me he'd be right back. He probably pulled a Newdini

Newdini by Little Jeffrey January 10, 2009

Nerdinitis 

A condition affecting millions of people where individuals experience severe nerd-like symptoms.

Steve Urkel is a classic case of nerdinitis. Modern interpretation can be seen from characters in the t.v. series The Big Bang Theory.

Nerdinitis by Harold McPhin November 3, 2010

Nerdinity 

When a trio of nerds get together, like a trinity but cooler..

Those three nerds just formed a nerdinity.

Nerdinity by pablowisdom November 17, 2016