There are many different synonyms for the phrase "angry debate." Some common ones include heated discussion, intense argument, passionate disagreement, vigorous exchange, and fiery dispute. Other options might include aggressive confrontation, fierce disagreement, hostile discussion, or contentious conversation. The choice of synonym often depends on the tone or context of the debate, as well as the level of emotion involved. Some people may prefer to use more neutral or diplomatic language, while others may prefer to express their frustration or anger more directly. Whatever word you choose, it's clear that debates can often be contentious and emotional affairs.