going ballistic 

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!"

going ballistic by 4onen March 2, 2016

Going ballistic 

Getting so angry that you literally launch yourself up like a ballistic missile

Wesley: Hey man, how's John doing now?
William: I don't think he's alright, he's going ballistic after his girlfriend left him.

Going ballistic by DJsinusoidz December 2, 2024