What is the definition of Championships Weapon?

A 'championship weapon' is like the ultimate personal power-up, but instead of giving you super strength or flight, it's a piece of equipment designed to win the ultimate battle of sportsmanship (or lack thereof). It's the ultimate tool in the arsenal of a team that wants to dominate, but it's usually just a fancy shield with a ridiculous name and a hint of 'I'll never give up!' attitude.

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Example sentence: "The new championship weapon, the 'Lost Goals,' promised to revolutionize soccer, but this season, it's just another team trying to outshine each other with ridiculous goals."