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