What Does "What Goes Around, Comes Around" Mean. When Can It Be Used?

This phrase means that what you do will affect you someday. It's like karma. When you do something good, good stuff happens to you and when you do something bad, bad things happen to you. You usually use this phrase when somebody does bad to you. You tell them the phrase so that they'll realize what they've done.

The meaning of the phrase is as follows;

The status eventually returns to its original value after completing some sort of cycle.

You can also define it as 'you get what you give; our actions are passed on until they return to us' and an example of the sentence is 'Wise folks have learned that you eventually get what you give - what goes around comes around'.