1. (initialism) .  (internet) Internet Relay Chat, a protocol for instant communication via the Internet.
  2. (initialism) .  (US, _) Internal Revenue Code.
  3. (initialism) .  (context, postal) international reply coupon.
  4. Noun.  international reply coupon.
  5. Verb.  (intransitive, internet) To participate in IRC (Internet Relay Chat).

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This entry was last updated on RefTopia from its source on 3/20/2012.