KILL

The KILL command is used by Server Operators to terminate a client connection or channel.

This is a privileged command and requires "Kill User" or "Kill Channel" permission. "Global Access" permission is also required if targeting a non-local user.

Terminating a Connection
Usage: KILL <target> <comment>
<target> The nickname of the client or channel name to terminate.
<comment> A comment describing the reason for the termination.

(See section 4.6.1 of RFC 1459)