add fuel to the fire
rustle someone's jimmies
kick someone when they are down
twist the knife
compound
do more harm than good
exacerbate
kick a dog when it's down
drive someone up the wall
annoy
add insult to injury
fan the flames
get under someone's skin
importune
provoke
enturbulate
do someone's head in
ruffle some feathers
harsh one's mellow
bind
offend
misalter
rail
set up someone's birse
huff
mad
lose one's cool
boil someone's piss
worry
make matters worse
get to
ruin
draw fire
disimprove
shake up
get someone's Irish up
make waves
get under one's goat
get someone's dander up
upset
take a turn for the worse
get someone's back up
put one's foot in one's mouth
bring up against
set someone's teeth on edge
stir up the animals
make a stink
arc up
sugarcoat the pill
aggravate
whine
ire
disturb
drop someone in it
raise a stink
raise someone's hackles
pejorate
rub up the wrong way
blow a fuse
bring down
frost
incense
fettle
irritate
upend
froth at the mouth
get on someone's bad side
break up
topsy-turvy
get on someone's nerves
crab
teach
placate
tread on someone's corns
foment
simmer
get on someone's wick
regruntle
see red
blackmail
chafe
discomfort
make someone's teeth itch
cause a stir