Related:

• 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....
• doubled sig [Usenet] n. A sig block that has been included twice in a Usenet article or, less commonly, in an electronic mail message.
  An article or message with a doubled sig can be caused by improperly configured software....
• doubled sig: [USENET] n. A {sig block} that has been included twice in a {USENET} article or, less commonly, in an electronic mail message.
  An article or message with a doubled sig can be caused by improperly configured software....
• ig virus: n. A parasitic {meme} embedded in a {sig block}.
  There was a {meme plague} or fad for these on USENET in late 1991....
• ig virus n. A parasitic meme embedded in a sig block. There was a
• ig 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....
• ig quote: /sig kwoht/ [USENET] n. 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....
• warlording: [from the USENET group alt.fan.warlord] v.
  The act of excoriating a bloated, ugly, or derivative {sig block}....
• BUAF // n. [abbreviation, from alt.fan.warlord] Big Ugly ASCII Font -- a special form of ASCII art.
  Various programs exist for rendering text strings into block, bloob, and pseudo-script fonts in cells between four and six character cells on a side...