An employee who creates a significant amount of new business to a company. This term is often used in the context of a financial services company, such as a brokerage.
Usually a senior investment banker such as an MD who generates large sums of money by doing business with high profile clients. Synonyms include: Baller, Boss, King
Usually drives a Bentley and wears gold dollar cufflinks
Analyst 1: Yo dawg, what's your bonus?
Analyst 2: Man, I only got $60K
Analyst 1: Damn son, we bustin' out 100 hours for such a weak bonus!
Analyst 2: For real, man I heard those guys over in TMT got $90K thanks to the rainmaker Analyst 1: Yeah dawg, Joe is such a boss.
A person of such tremendous social influence they are able to set into motion the rippling effects of social and economic change directly through indirect means.
Commonly, these types employ their power through Machiavellian tactics and are regularly characterized by acute sociopathic tendencies.
Some examples of these types:
Political leaders -
Mayors
Royalty
Senators
Presidents
Governors
Mafia Dons
Civil Servants
Prime Ministers
EU Commissioners
Members of International Banking Families -
Rockefellers
Rothschilds
Morgans
Seligmans
CEOs, Directors, Chairmen, and Majority Shareholders of Major Corporations -
Banks
Media