slack off Antonyms

develop your game go crackers become very angry go up the wall get angry become furious throw a wobbly rant and rave lose one's cool go spare go mad pop one's cork become angry suddenly become enraged work hard while training train hard work your fingers to the bone break your back become irate become infuriated become incensed be incensed be furious go into a rage get one's dander up lose one's rag blow one's top flip one's lid blow one's stack blow a fuse see red lose it struggle rage grub grind explode erupt fly off the handle go ballistic go ape get one's knickers in a twist fly into a rage do one's nut blow one's lid blow one's cool blow a gasket go wild lose one's temper hit the roof