Mine

on *:TEXT:!blacknick *:*: {
  if ($readini(blacklist.ini,extuse,nick) == true) {
    if ($address($nick,2) == $address($me,2)) || ($nick == Borris) || ($read(staff.txt, w, $address($nick,2))) {
      set %blackchankick $2
      /blackchankick
      write %nick_blacklist $address($2,2) 
      write %nick_blacklist $2
      amsg  4 [ 2 GLOBAL 4 ] 7  $2 has now been globally blacklisted by: 4 $nick 7 for: 7 $3- . Any channel i am op or hop in, $2 is banned in!
      notice $2 7  $2 has now been globally blacklisted by: 4 $nick 7 for: 7 $3- . Any channel i am op or hop in, $2 is banned in!
    }
    else {
      notice $nick you need to be oliver or bot staff to do that...
    }
  }
  else {
    notice $nick external use is currently off
  }
}

alias blackchankick {
  var %x = 1
  while ($comchan(%blackchankick,%x)) {
    if ($comchan(%blackchankick,%x).op || $comchan(%blackchankick,%x).help) {
      /ban -k $chan %blackchankick 4 $nick is globally banned and will be banned on everychannel im on until removed
      /notice %blackchankick you are globally banned and will be banned on everychannel im on until removed
    }
    inc %x 1
  }
}