yuo need a small alias and a loop
Code:
  
alias blah {
  var %i = $chan(0)
  while (%i > 0) {
    if ($me isop $chan(%i)) {
      mode $chan(%i) $1-
    }
    dec %i
  }
}


then just type /blah +b nickname you can get creative and set popups to bantypes etc..