heavy hitter(redirected from heavy hitters)
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1. An extremely successful, important, or influential person. John is a real heavy hitter in the world of finance. Many people have tried to copy his success.
2. A high-scoring athlete, especially a baseball player. The team would be foolish to trade their heavy hitter. He's the reason the team did well this season.
An important or influential individual or organization. For example, This publishing house is one of the heavy hitters in the textbook industry. This expression originated in sports such as boxing, where it literally meant "hitting hard," and was transferred to other enterprises in the mid-1900s.