dramalog
One who makes a dramatic statement and logs out of the internet chat program you are using to communicate before you can reply.
"Well at least you have a dog!..... *logs out* "Oh don't be a drama log..."
"Well, I hate you! *logs out* " *sends message* "You are such a dramalog!"
etc...
"Well, I hate you! *logs out* " *sends message* "You are such a dramalog!"
etc...