Sorry about that, try these two aliases:

Code:
alias acronym.add {
  if ($hget(acronym)) {
    if ($2) /hadd acronym $1-
    else {
      /echo -s /acronym.add: Insufficient Parameters
      /echo -s /acronym.add <acronym> <meaning>
      /echo -s Example:
      /echo -s /acronym.remove brb Be Right Back
    }
  }
  else /echo -s /acronym.add: Acronym table not loaded
}

alias acronym.remove {
  if ($hget(acronym)) {
    if ($hget(acronym, $1)) /hdel acronym $1
    else if ($1) /echo -s /acronym.remove: Acronym $+(',$1,') does not exist
    else { 
      /echo -s /acronym.remove: Insufficient Parameters
      /echo -s /acronym.remove <Acronym>
      /echo -s Example:
      /echo -s /acronym.remove brb
    }
  }
  else /echo -s /acronym.remove: Acronym table not loaded
}

(Copy the above code to wordpad (Start>>Run>>"Wordpad") first, then reselect and copy to mIRC)

I didn't test them out, but they should work fine. If they don't, then I'll debug em.

Directions
/acronym.add <Acronym> <Meaning>
Example: /acronym.add brb Be Right Back

/acronym.remove <Acronym>
Example: /acronym.remove brb

-KingTomato