knockout blow (noun) knockout: a blow that knocks unconscious
Sinonime: all shook up,
choleric,
enraged,
fiery,
frantic,
furious, hotheaded, hottempered, inflamed,
irascible,
irritable,
mean, peppery, quick-tempered, shaken, steamed-up, stormy,
tempestuous, testy,
touchy*,
vehement,
violentAntonime: happy