Found 2 items, similar to heavy hitter.
English → English (WordNet) Definition: heavy hitter heavy hitter n : an influential person who works hard to promote the causes they are interested in
English → English (gcide) Definition: heavy hitter Hitter \Hit"ter\, n. 1. One who hits or strikes; as, a hard hitter. [1913 Webster] 2. (Baseball) The batter; as, there are two strikes on the hitter. [PJC] heavy hitter 1. A baseball player who gets many extra-base hits. 2. A person who is very important or is very effective at his profession. [PJC]