Hanover Fiste wrote:

What the hell is "aggro"? Is it such a long word that it strains everyone's fingers to type out?
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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:
http://www.gamefromscratch.com/post/...-Now-what.aspx
It contains a small piece of an MMO's source code. Just this piece alone has the word "aggro" in it 11 times.