blogosphere, noun
A poisonous environment of methane, self-satisfaction and other hot gasses.
“The only creatures that can survive in the blogosphere are low-order molds, able to feed off the waste of others.”
Via metafilter comes a link to The Devil's Dictionary 2.0, although you may be better served by visiting its archive page directly. The original DD, penned by Ambrose Bierce, is the cynic's best friend. Or, as I put it to a colleague earlier today, it is the singlemost sustained piece of literary smart-assitude ever written. It is also available online, albeit with a disclaimer and dubious design decisions. Enjoy...
Education, n. That which discloses to the wise and disguises from the foolish their lack of understanding.

I like the definition of oblivion. It makes me happy to know that my high hopes are at least being well kept somewhere....
OBLIVION, n.
The state or condition in which the wicked cease from struggling and the dreary are at rest. Fame's eternal dumping ground. Cold storage for high hopes. A place where ambitious authors meet their works without pride and their betters without envy. A dormitory without an alarm clock.
I liked this:
post, verb
To broadcast one’s ignorance, arrogance, ego and insecurities to all entanglements, present and future, professional, casual and romantic.