simmer down Antonyms

go berserk become furious throw a wobbly rant and rave lose one's cool go mad lose one's rag go crazy blow one's top go bananas go ape get one's knickers in a twist flip out get angry get mad go through the roof become irate become infuriated become incensed be furious go into a rage get one's dander up become enraged become angry suddenly go crackers become very angry go up the wall do one's nut blow one's lid raise the roof see red blow up lose it rage fume flip flare-up flare explode erupt disintegrate fall apart blow a fuse blow one's cool blow a gasket go wild boil over lose one's temper hit the roof hit the ceiling