trouble-monger
fractious
cactused
shit bird
trouble causer
in for it
inciter
troublemaker
provoker
bad hat
instigator
firebrand
in it
in the soup
troubler
instigant
trouble maker
mischief-maker
buggered
fooligan
gnaw someone's vitals
smellfungus
problematizer
troublement
messer
up shit creek
up the creek
dumbledore
get one's tits in a wringer
in shit
bad lot
upstager
shit disturber
dog's dinner
messer-upper
foozler
dog's breakfast
cock-sparrow
mischiefmaking
querulist
jellybrain
double-trouble
screwee
doryphore
bebother
bauchle
mullock
varmint
torfer
mudlarker