The phrase "turns waterworks" is often used to describe someone who starts crying or becoming emotional. There are numerous synonyms that can be used to describe this phenomenon. For instance, some may use the phrase "loses control," while others may opt for "breaks down." Still, others may use "bursts into tears" or "cries their heart out." Depending on the context and the severity of the emotions being expressed, there is no shortage of ways to describe when someone "turns on the waterworks." By selecting the right synonym, a writer or speaker can more accurately communicate the level of emotion being experienced.