A person who blames other people for he/she's misfortunes and never takes the responsibility of saying they did a mistake/failed. They believe that they never did anything wrong.
Mike broke up with Emily because she was a Blamestormer.

She is Blamestorming the boy next door.
by BlesserLesser July 11, 2020
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Group discussion regarding the assigning of responsibility for a failure or mistake.
Each Friday, our days were filled with blamestorming sessions
by October 4, 2022
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