Mine

on *:TEXT:!tb*:#:{ if (!$3) { notice $nick Incorrect syntax - Should be !tb <time in minutes> <nick> | halt }
  elseif ($3 && $nick isop $chan) { mode $chan +b $address($3,2) | kick $chan $3 Banned by $nick for $2 minutes. Reason: $4- | timer 1 $calc($2 * 60) mode $chan -b $address($3,2) | timer 1 $calc($2 * 60) notice $3 You are now unbanned from $chan $+ . Behave this time! | halt }
  else { You must be op to do this. | halt }
}