go ballistic

blow a gasket blow one's mind blow one's stack blow one's top crack up fly off the handle freak out go ape go berserk go crazy go haywire go nuts go off the deep end hit the ceiling lose control of oneself lose it lose one's composure lose one's mind lose one's temper wig out

go crazy lose it

blow a gasket blow one's mind blow one's stack blow one's top break down come unglued crack up flip one's lid flip out fly off the handle go ape go bananas go berserk go haywire go nuts go off the deep end hit the ceiling lose control of oneself lose one's composure lose one's cool lose one's mind lose one's temper wig out work oneself up

freak out go off lose it

blow a gasket blow one's mind blow one's stack blow one's top crack up flip one's lid flip out fly off the handle go bananas go batty go berserk go bonkers go buggy go cuckoo go daffy go haywire go kooky go loco go loony go mental go nuts go nutty go off one's rocker go off the deep end go off the wall go psycho go wacko go wacky lose control of oneself lose one's cool lose one's mind wig out