Lets assume the level of the ops is 100.
Code:
on 100:TEXT:!me*:?: {
  if ($2 == $null) { notice $nick Valid syntax is: !me #channelname Message }
  if ($2) && ($3) { describe $2 $3-  }
}


This will trigger in a Private Message.
Level 100 users type: !me #Channel message


/help on text