/krem-vaks/
[from the then large number of USENET VAXen with names of the form foovax]
n. Originally, a fictitious USENET site at the Kremlin, announced on April 1, 1984 in a posting ostensibly originated there by Soviet leader Konstantin Chernenko. The posting was actually forged by Piet Beertema as an April Fool's joke. Other fictitious sites mentioned in the hoax were moskvax and kgbvax, which now seems to be the one by which it is remembered. This was probably the funniest of the many April Fool's forgeries perpetrated on USENET (which has negligible security against them), because the notion that USENET might ever penetrate the Iron Curtain seemed so totally absurd at the time.
In fact, it was only six years later that the first genuine site in Moscow, demos.su, joined USENET. Some readers needed convincing that the postings from it weren't just another prank. Vadim Antonov (avg@hq.demos.su), the major poster from there up to at least the end of 1990, was quite aware of all this, referred to it frequently in his own postings, and at one point twitted some credulous readers by blandly asserting that he *was* a hoax!
Eventually he even arranged to have the domain's gateway site *named* kremvax, thus neatly turning fiction into truth and demonstrating that the hackish sense of humor transcends cultural barriers. [Mr. Antonov also contributed the Russian-language material for this lexicon. -- ESR]