split a gut
lose one's shit
go ham
blow a fuse
lose one's cool
fuse
mitigate
throw one's toys out of the pram
lose it
blow one's top
ill humor
hit the roof
drop one's bundle
temperative
short-tempered
temper temper
forget oneself
snittiness
temperance
fit
conniption
burst a blood vessel
tantrum
scene
ragequit
tempered
count to ten
impetuosity
calm down
monkey
offcome
ill-humored
sick and tired
get on someone's bad side
retemper
quick
leaven
grumps
spazz out
freak out
neal
irascibility
misset
spaz out
temperer
set off
come round
rageaholic
shake
flip out