One of the most popular ways to make a decision is by flipping a coin. It's simple, quick, and leaves the choice up to chance. However, if you're looking for alternative phrases to use when suggesting this decision-making method, there are a variety of synonyms for "toss coin" that you can incorporate into your vocabulary. Some options include "flip a coin," "throw heads or tails," "spin the penny," or "roll the die." Whichever phrase you use, just remember to keep it fair and let the coin do the talking.