1. (Internet) Initialism of (It is a protocol for instant communication via the Internet.)
    2. (US legal) Initialism of Internal Revenue Code
    3. (postal) Initialism of international reply coupon

    Derived terms

    Full definition of IRC



    (plural IRCs or IRC's)
    1. international reply coupon


    1. (intransitive, Internet, informal) To participate in IRC (Internet Relay Chat).
      • 1995, Stuart Harris, The Irc Survival Guide<- irced 2 yrs without aliases ...
      • 2002, James Arnt Aune, Selling the Free Market...IRCing can confirm the observation that work and play appear to constitute a continuum for the digerati.
      • 2004, Allison Rushby, Friday Night Cocktails...not that this is strange or anything, I do the same thing myself when I'm IRCing — there're some real weirdos out there roaming the Net...


    © Wiktionary