[Usenet] A notional repository of all the
most dramatically and abysmally stupid utterances ever. An entire
subgenre of sig blocks consists of the header "From the fool
file:" followed by some quote the poster wishes to represent as an
immortal gem of dimwittery; for this usage to be really effective,
the quote has to be so obviously wrong as to be laughable. More
than one Usenetter has achieved an unwanted notoriety by being
quoted in this way.
ig block: /sig blok/ [UNIX; often written `.sig' there] n.
Short for `signature', used specifically to refer to the
electronic signature block that most UNIX mail- and news-posting
software will {automagically} append to outgoing mail and news....