sig block
= S =
sig virus
sig quote /sig kwoht/ n.
[Usenet] A maxim, quote,
proverb, joke, or slogan embedded in one's sig block and
intended to convey something of one's philosophical stance, pet
peeves, or sense of humor. "Calm down, it's only ones and
zeroes."
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.