Sig
name, noun, verb, slang ·Moderate ·College level
Definitions
- 1 A signature, especially one on emails or newsgroup postings. Internet, informal
"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."
- 2 Sigma (in the names of Greek-letter organizations).
"Sig Chi; Kappa Sig; Sig Nu"
- 3 Urine. UK, dated, dialectal, uncountable
- 4 Initialism of special interest group. abbreviation, alt-of, initialism
- 5 Short for sigma in phrases like "what the sigma" abbreviation, alt-of, humorous, slang
"What the sig is this?"
- 1 To good-naturedly make fun of someone; to signify. intransitive, slang
"And it is a matter of pride. No Black person wants to be "sigged" about or capped all over."
- 1 A male given name from German Siegfried
Example
More examples"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."
Etymology
Clipping of signature.
Clipping of signify (“to boast, brag, insult”).
Clipping of sigma.
From Middle English sige. Cognate with Middle Dutch seic, seike, Middle Low German seyche. Related also to sink (“to fall”).
Related phrases
More for "sig"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.