"Go to hell" is a phrase often used to express anger or frustration towards someone. However, there are other phrases that can be used to convey the same message in a less vulgar way. "Get lost," "buzz off," "take a hike," and "leave me alone" are some synonyms that can be used instead of "go to hell." Similarly, "go away," "shove off," and "beat it" also work well to express the same sentiment. It's important to remember that using abusive language or derogatory phrases can harm relationships and communication, so it's always better to communicate disagreement or frustration in a more respectful and constructive way.