Top Definition
A mother's fierce verbal anger caused by the disrespect of her children, usually in the form of back-talk, eye rolling, or ignoring. It results in the stunned disbursement of every person within earshot of the event, and leaves the mother alone at the epicenter.
When Billy spoke back to his mother again that morning, it was the last straw, unleashing a tsumommy that sent all family members silently rushing throughout the house to prepare for their guests' arrival.
by Dawning January 04, 2014

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