blamestorm

/ (ˈbleɪmˌstɔːm) /
informal

verb

(of colleagues in a business, government, etc) to meet in order to apportion blame for an error or failure

noun Also: blamestorming

a meeting to discuss who is to blame for an error or failure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012