n. A discussion (which may be at the group, community, or society level) in which members attempt to assign blame for a particular misdeed.

Example Citation:
"Here's what will really happen: After four months of secret meetings and public blamestorming, the Legislature will adjourn, having done some favors for powerful special interests and approved a budget that spends hundreds of millions of dollars more than the state will take in."
—Mike Doogan, "Cast of Characters Means Legislative Session Will Be a Bust," Anchorage Daily News, January 9, 2000

This word appeared originally in Gareth Branwyn's Jargon Watch column (Wired magazine).