throw a tantrum explode go through the roof go wild go crackers go spare burst a blood vessel see red go ape go bananas go berserk hit the roof blow a fuse fly off the handle blow a gasket have a fit go off the deep end flip go up the wall go crazy panic overreact be afraid be alarmed be nervous be scared flap be agitated become panic-stricken be hysterical be perturbed be terrified freak get overwrought take fright fall apart lose control become hysterical be filled with fear fall to pieces lose your temper go mad lose your cool be beside oneself throw a fit act wildly go to pieces go insane go off one's rocker crack up behave in a wild way blow one's stack lose control of the situation More