The phrase "payed the piper" refers to the act of accepting the unpleasant results of one's actions. However, there are various other synonyms that can be used to express this idea. For example, terms like "face the music," "reap what you sow," and "bear the consequence" all share similar meaning with "payed the piper". "Own up to it," "take responsibility," and "man up" also convey the same sense of accountability. Additionally, "deal with the aftermath" and "accept the fallout" both suggest accepting the negative outcomes that one's actions may have caused. Overall, there are many alternative phrases available that can convey the idea of taking responsibility.