To make an acronymizer, put this in your Remotes (ALT-R):
Code:
 
ON *:INPUT:*:{ 
  IF (/* !iswm $1) { 
    msg $active $replace($1-,brb,Be Right Back,lol,Laughing Out Loud,bbl,Be Back Later,bbiab,Be Back In A Bit,jk,Just Kidding) 
    halt
  } 
}

For a more complex Acro script, search this web site.

DALnet: #HelpDesk, #mIRC, #MISHScript - Undernet: #mIRC, #mIRC-Scripts