split a gut
lose one's shit
go ham
blow a fuse
lose one's cool
fuse
hit the roof
lose it
throw one's toys out of the pram
blow one's top
drop one's bundle
mitigate
short-tempered
forget oneself
snittiness
temper temper
ill humor
monkey
offcome
temperative
burst a blood vessel
conniption
scene
tantrum
fit
froth at the mouth
grumps
get on someone's bad side
retemper
impetuosity
radge
ill-humored
foam at the mouth
freak out
quick
sick and tired
misset
ragequit
for fudge's sake
do cheetah flips
irascibility
ire
get someone's Irish up
kick up
get someone's dander up
owliness
temperance
heated
crank
bad-tempered