rainmaker

1. (originally Canada, US, figuratively, informal) A person having the ability to generate business, raise funds, or otherwise engineer success for a company, organization, etc.Examples: "The law firm relied heavily on Charlotte as its main rainmaker to bring in new clients."; "The fact is, that since a good, sound, honest, efficient, automatic, nonmetallic currency and standard was tampered with in 1893, India has been a happy hunting-ground for any empiric who conjured with a new scheme of currency, no matter how fantastic. Instead of admitting after a fair test that no ‘managed’ currency for such a community could be worked for a twelvemonth even by an Achille Fould, every sort of ‘financial rainmaker’ has since 1893 been enlarged on our hapless wards."; "The Rainmaker absolutely believes, without a dollop of doubt, the he or she always improves the customer's current state. The Rainmaker knows that if the customer does not buy, then the customer loses something, and the Rainmaker loses the sale."USfigurativelyinformal

2. (baseball, informal) A batted ball that is hit very high into the air.Examples: "The slugger is known for hitting rainmakers."; "His #Boomstick helped [Nelson] Cruz earn a spot as the second-longest Statcast™-rated homer of the 2016 season, coming up just shy of Giancarlo Stanton's 504-foot rainmaker in August."informal