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