sig quote
/sig kwoht/ A maxim, quote, proverb, joke, or slogan
embedded in one's {sig block} (as used in {Usenet} news) and
intended to convey something of one's philosophical stance,
pet peeves, or sense of humour. "Calm down, it's only ones
and zeroes."
[{Jargon File}]
(1994-11-04)