sig

noun

1. (Internet, informal)A signature, especially one on emails or newsgroup postings.

   “Your sig should ideally be four or five lines long, six or seven at the maximum. Since it will be repeated on hundreds of messages, a long signature wastes bandwidth and is therefore rude.”

   “Posting good content is the best way to get people clicking your sig link.”

2. Sigma (in the names of Greek-letter organizations).

   “Sig Chi; Kappa Sig; Sig Nu”

   “Outright banning fraternities, however, is a tough move for a university president to make. Greek alums tend to be big donors. [Phil] Hanlon has shied away from making his reform all Greek life, no doubt to avoid the ire of deep-pocketed former Sig Chis.”

   “Here are 6 of the most cartoonishly sexist, aggressive, and straight-up nuts fraternity and sorority email chains ever released to the public. Let them be a warning to young Kappa Sigs everywhere.”

   “My time at Sig Nu was quite brief, unfortunately, so I'll do my best with the data I gathered.”

3. (abbreviation, alt-of, humorous, slang)Short for sigma in phrases like "what the sigma"

   “What the sig is this?”

4. (UK, dated, dialectal, uncountable)Urine.
5. (abbreviation, alt-of, initialism)Initialism of special interest group.

verb

1. (intransitive, slang)To good-naturedly make fun of someone; to signify.

   “And it is a matter of pride. No Black person wants to be "sigged" about or capped all over.”

   “Clearly, signifying ain't lost a beat on the bumpy ride from Africa to America. In fact, it seem like brothas been sigging since they stepped off the boat.”

   “Those siggin' are also master wordsmiths. They have a variety of concepts to choose from in their rhetorical tool bags.”

name

1. A male given name from German Siegfried