self-harm
self-abuse
cut off one's nose to spite one's face
burn one's fingers
do violence to
malice
humiliate
jar
nobble
hit one hard
sodomise
eat someone's heart
bloody
pay dearly
self-destruct
punch someone's ticket
reap the whirlwind
mortify
spite
misuse
do someone dirty
slap someone around
bruise
misempower
mung
hit
self-annihilate
run with scissors
put to shame
torture
make an exhibition of oneself
stuff up
misconduct
misact
bash about
incur
ill-treat
pick away at
harrow
bang up
tear up
hurt a fly
punish
overabuse
self-incriminate
destruct
bearbait
pay
give someone grief
comb someone's hair the wrong way
hurt someone's feelings
victimize
do
ill-use
draw and quarter
cut to the quick
do a number on
muck up
tread on someone's corns
drag down
pine
maltreat
destroy
endanger
stomp on
brutalise
bite someone's head off
dick
self-redress
pejorize
sully
attack
muddy
foul one's own nest
bite the hand that feeds one