Top Definition
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.
We need to hire a rainmaker to bring our business up from a slump of no sales.
by dan July 25, 2003
A shot on the Wii Sport Tennis game where the ball is hit so hard, you can see the air being travelled behind it like a cloud.
Evan: "Whoa! Ha! Rainmaker hit by Anna!"
Austin: "Shut up, we're still beating you!"
by Anna Hedgehog June 11, 2008

1. a powerful and successful representative or agent who generates a lot of unexpected business, especially a law firm

2. a ball hit very high to the outfield or beyond the fence
They were once a rainmaker, but they are now bankrupt.
by The Return of Light Joker April 01, 2009
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.
by The_Original_Rainmaker January 11, 2010
Someone who sends a lot of money to scammers. Term used in Nigeria as slang between scammers to talk about their big money marks.
My Rainmaker is sending me some funds.
by eldor February 02, 2010
rainmaker-a friend of yours who is utterly stupid at all time but when it comes to one certain thing the guy becomes a genius.
you- dude tony's never going to pick that chick up he cant even go shopping with out having a mental breakdown.

friend-well he is a modern day rain maker because he's leaving with her right now.

you- what the fuck man thats my sister!!!!!!!!
by moreau1 October 28, 2012
A woman who ejaculates during orgasm
I thought she peed on me, but she was just a rainmaker
by Peach November 27, 2004
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