n. The words, idioms, and pecularities of spelling and grammar that are characteristic of online documents and communication.
2001
Perhaps the next great movement in English literature will somehow be fuelled by the new phenomenon of Netspeak, or what linguist David Crystal in his new book Language And The Internet calls 'computer-mediated language.'
1994
"Flaming" is netspeak for crazy rows which blaze out of control for months.
1993 (earliest)
Like all arcane entities, the Internet has its own language, sometimes known as NetSpeak.
Here are some of the characteristics of Netspeak: inattention to the norms of spelling and grammar; the use of all-lowercase letters; tonal informality; infrequent punctuation; the widespread use of abbreviations and acronyms; turning nouns into verbs.