The word Aggro is also known by a word â€˜addâ€™. This term is associated with online gaming and it is used when someone has been targeted in a group by one or more belligerent creatures. This word has been derived from the words aggressive and aggression.
Also, it is quite an easy way to let all the people in a group know about the all the threats of the current battle. The word Aggro can be even used in for describing real-life aggro. For instance, some people say â€˜friend aggroâ€™ or parent aggroâ€™, which particularly means that the person want to let other people know that their friend or parent is giving them grief and they really need to walk away or log off.