Something

alias block { 
  notice $1 you have been blocked
  write blocked.txt $1
 }
on *:text:*:?:{
  if ($read(blocked.txt,s,$nick) {
    msg #123456 i got here
    notice $nick Wtf u on.. u blocked lmfao msg closed stfu plz 
  close -m $nick 
  }
}
alias unblock { 
  notice $1 you have been unblocked
  write -ds [ $+ [ $1 ] ]
}