出来混迟早要还的

This idiom translates literally to mean 'those who go against social norms will eventually face consequences'. It reflects a belief that wrongdoings, whether ethical or otherwise, come with a price. In a lighter tone, it also may just reflect a philosophy toward karma. It could be used either as warning or resigned acceptance depending on context. One choosing this name might have experienced this lesson personally or philosophically agree that actions have consequences.