n. A style of writing prevalent in websites, email messages, and online chat rooms.
1998
You will not encounter such niceties as good grammar, spelling or literary style. Knowles' site is written in Internetese, a sort of stream-of-consciousness ranting in which emphasis is provided by writing in all-capitals, and where one exclamation point is never enough.
1996
Last week's report on the kiddyporn E-mail spam (Internetese for unwanted mass junk mailing) which was sent, unsolicited, to thousands of Canadians, drew this thoughtful response from reader, Tom Saask.
1994 (earliest)
A gopher is Internetese for a computer data base that can be searched for specific information.