Code:
alias mk {
  var %i = $nick($chan,0)
  while (%x) {
    if ($nick($chan,%i) != $me) kick $chan $nick($chan,%i) message
    dec %i
  }
}


Not being a hypcrite (sp?) - since you already have the code in question, I can't stand lousy coding, so here's a slightly improved version. All those obsolete if statements and goto's...