An argument you get into with one person or many people on a blog. This is a written argument in the form of responses to a blog post that other people who post respond to and such an argument can escalate and typically can become quite heated.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)