Blow one's top is a phrase that describes a person becoming extremely angry or losing control. The antonyms for this phrase could be "remain calm," "keep your cool," or "stay composed." When faced with a challenging situation, it's important to manage your emotions and avoid getting carried away with anger or frustration. Instead of blowing your top, consider taking a deep breath and counting to ten. You may also try adopting a positive outlook or seeking assistance from a trusted friend or counselor. Remember, by staying calm and collected, you'll be better equipped to handle any situation that comes your way.