Shittigator
A person who instigates an argument between other individuals, chat rooms, sites, etc. A person who brings up old 'news' to get people in trouble.
Marco is such a shittigator, he got me and Tom banned from chat because of some rumour from months ago.
shittigating
To start an argument between individuals, chat rooms, sites, etc. To bring up old 'news' and cause a major reaction.
She came into the chatroom and started shittigating between the n00bs and vets.