A Word Site: http://www.wordspy.com/

Wordspy.com lists new words with citations to where they appeared. Here are a few.

transumer n. A big-spending traveler; a person who travels to shop. [Blend of transient and consumer.]...

kindergarchy n. Rule or domination by children; the belief that children's needs and preferences take precedence over those of their parents or other adults....

urban caving n. The unauthorized exploration of tunnels, drains, and other features found beneath a city....

The author also has a page of his own favorites of established words, at http://www.wordspy.com/diversions/fave-words.asp. They include these:

Autological: Self-descriptive.

Crapulence: Excessive indulgence, or the sickness resulting from same.

Crepuscular: Of or like twilight; dim.

Feculent: Full of foul matter; laden or polluted with filth; fetid.

Flibbertigibbet: A silly, scatterbrained person.