'go ballistic' definitions:

Definition of 'go ballistic'

verb

Get very angry and fly into a rage; "The professor combusted when the student didn't know the answer to a very elementary question"; "Spam makes me go ballistic" [syn: flip one's lid, blow up, throw a fit, hit the roof, hit the ceiling, have kittens, have a fit, combust, blow one's stack, fly off the handle, flip one's wig, lose one's temper, blow a fuse, go ballistic]

From: GCIDE

Ballistic \Bal*lis"tic\, a.
1. Of or pertaining to the ballista, or to the art of hurling stones or missile weapons by means of an engine. [1913 Webster]
2. Pertaining to ballistics[2], or to a projectile in a gravitational field. [1913 Webster +PJC]
3. frenzied; very angry; -- used mostly in the phrase
go ballistic. [Colloq.] [PJC]
Ballistic pendulum, an instrument consisting of a mass of wood or other material suspended as a pendulum, for measuring the force and velocity of projectiles by means of the arc through which their impact impels it. [1913 Webster]