Help for DROP:

Using this command makes &nick& remove your account
and stop watching your nick(s), If a nick is dropped,
anyone else can register it. You will also lose all
your channel access and memos. You must use the
&nick& IDENTIFY command before doing this.

When dropping and re-registering an account during a
netsplit, users on the other side of the split may later
be recognized as the new account.

Syntax: DROP <nickname> <password>

Examples:
    /msg &nick& DROP foo bar