For anyone interested in the evolution of language, in particular, with an interest in tracking new words as they enter into the language, Paul McFedries' Wordspy site is an indispensable resource:
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This "book from the site" is hilarious, informative, and entertaining. I highly recommend it.
* multishirking : doing two or more non--work-related tasks at once (e.g. surfing the net while making a personal phone call)
* lactivist : an activist who promotes breastfeeding over use of infant formula
* floordrobe (noun): A pile of discarded clothes on the floor of a person's room.
*carbage (noun): the accumulated garbage, papers, and other assorted detritus that litters one's car after a road trip.
My favorite part was McFedries's discussion of various prefixes (cyber, info, net, e-, techno, eco, bio, Franken, Mc, spokes, meta-,uber) and suffixes (gate, ware, -free, -holic, -ista, meister, a-palooza, -erati, -tainment, -zilla).
A terrifically entertaining book.