Ace the hole is a popular phrase that refers to completing a task successfully or achieving a great outcome. While the term typically has a positive connotation, there are antonyms that reflect a different outcome. Some phrases that can be used as antonyms for ace the hole include "miss the mark," "fall short," "fail to deliver," or "come up short." These phrases convey a sense of disappointment or failure to reach a desired outcome. It's important to note that not all outcomes can be positive, but learning from our mistakes and striving to improve can help us achieve success in the long run.