Hanover Fiste wrote:
What the hell is "aggro"? Is it such a long word that it strains everyone's fingers to type out?
It's a 15 year old piece of industry jargon. It's not short for something; that's the entire word. That's how jargon works.
Edit: for an example of this, see this article:
It contains a small piece of an MMO's source code. Just this piece alone has the word "aggro" in it 11 times.