Proper noun
H2G2
(fandom slang) The Hitchhiker's Guide to the Galaxy, a comedy science fiction series by Douglas Adams.
A convention exclusively for H2G2, Hitchercon I, was held in Glasgow, Scotland, in September 1980, the year that the official fan club, ZZ9 Plural Z Alpha, was organised. Source: Internet
In April 1999, Adams initiated the h2g2 collaborative writing project, an experimental attempt at making The Hitchhiker's Guide to the Galaxy a reality, and at harnessing the collective brainpower of the internet community. Source: Internet
The narration of "The Book" was split between two usherettes, an adaptation that has appeared in no other version of H2G2. Source: Internet
The h2g2 's English Usage in Approved Entries claims that Hitchhiker's Guide is the spelling Adams preferred. Source: Internet