Finding synonyms for the word "coin toss" can be a tricky task, as it is a well-established term in the world of sports and decision-making. However, there are a few phrases that can be used interchangeably with coin toss, such as "flipping a coin", "tossing a penny", or "calling heads or tails". In some parts of the world, "heads or tails" is commonly referred to as "heads or hara", while in others, it is called "eagle or tails". Whatever phrase is used, the concept remains the same: the act of randomly determining which option to choose, often used in sports games or to make important decisions.