The phrase "pops one's balloon" refers to the act of ruining someone's mood or hopes. Its antonyms, which means the opposite, would be "boosts someone's spirits," "elevates someone's mood," or "increases someone's excitement." These antonyms imply that someone is promoting positivity and encouragement rather than tearing down someone's confidence. Other antonyms include "encourages, motivates, or inspires," or "uplifts one's spirits." By using these antonyms, we highlight the importance of being positive and kind to one another, reminding us to uplift others' spirits whenever we can rather than bringing them down.