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Channel Op: /chan'l Op/ [IRC] N. Someone Who Is Endowed With Privileges On A Particular {IRC} Channel

:channel op: /chan'l op/ [IRC] n. Someone who is endowed with
privileges on a particular {IRC} channel; commonly abbreviated
`chanop' or `CHOP'. These privileges include the right to
{kick} users, to change various status bits, and to make others
into CHOPs.
-- The AI Hackers Dictionary

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