Get very angry, such that you lose your self-control.
I wouldn't start by telling her that you actually slept with Rachel. She'd go ballistic and you'd never be able to explain the rest.
by Observer52 August 23, 2005
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Becoming fully, truly, unstoppably, gravitationally angry. Usually of a person or semi-sentient animal that can experience anger.
References ballistic missiles, whose flight paths are nearly un-alterable after a certain point.
"When dad finds out I didn't submit my college applications, he'll be going ballistic!"
by 4onen November 28, 2015
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