Meaning of the word "you scratch my back and I will scratch yours" in English

What does "you scratch my back and I will scratch yours" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

you scratch my back and I will scratch yours

US /juː skræʧ maɪ bæk ænd aɪ wɪl skræʧ jɔːrz/
UK /juː skræʧ maɪ bæk ænd aɪ wɪl skræʧ jɔːz/
"you scratch my back and I will scratch yours" picture

Idiom

used to say that if someone helps you, you will help them in return

Example:
I'll help you with your homework if you do my chores; you scratch my back and I will scratch yours.
In politics, it's often a case of you scratch my back and I will scratch yours.