Definition: op

Search dictionary for

Source: The Free On-line Dictionary of Computing (2003-OCT-10) 

op

   <job> /op/ 1. In England and Ireland, a common verbal
   abbreviation for "operator", as in system operator.  This is
   less common in the US, where sysop seems to be preferred.

   2. The general term for an IRC channel op.  Also, as a
   verb: to give someone channel op privileges.  Compare
   ircop.

   [Jargon File]

   (1997-12-12)

Source: V.E.R.A. -- Virtual Entity of Relevant Acronyms December 2001 

OP
        Original Poster (slang, Usenet)

Source: Jargon File (4.3.1, 29 Jun 2001) 

op /op/ n. 1. In England and Ireland, common verbal abbreviation for
   `operator', as in system operator. Less common in the U.S., where
   sysop seems to be preferred. 2. [IRC] Someone who is endowed with
   privileges on IRC, not limited to a particular channel. These are
   generally people who are in charge of the IRC server at their particular
   site. Sometimes used interchangeably with CHOP. Compare sysop.