When you are talking on AIM and either you or your buddy uses sarcasm, but it is difficult to tell if they're being sarcastic or not due to the nuances of the spoken language.

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)