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1. A new word that codifies an important feature, concept or practice in the online world.
2. The Web equivalent of a "neologism," a newly coined word that may be in the process of entering common use.
3. A slang term that was invented by -- and for -- Web users without approval from any outside authority.
"Phishing" and "viral marketing" are a great examples of Webisms that eventually entered worldwide parlance.
by Peter Kobs May 17, 2009