get (your) own back

to do something unpleasant to someone because they have done something unpleasant to you.

Fiona had deliberately stopped me getting that job and I was determined to get my own back.

She got her own back on her unfaithful husband by throwing a pot of red paint over his brand new car. (often + on)

• as things stand
• a sticking point
• a stick-in-the-mud
• a stick to beat someone with
• a stick to beat something with
• a stiff upper lip
• a sting in the tail
• a stitch in time.
• a stitch in time saves nine.
• a stone's throw
• a stool pigeon
• a storm in a teacup
• as to the manner born
• as tough as nails
• a straight arrow
• a straight shooter
• a straw in the wind
• a stroke of luck
• a strong stomach
• a stud-muffin
• a stuffed shirt
• a stumbling block
• a sudden rush of blood
• a sudden rush of blood to the head
• as usual