1. The vernacular term among investment bankers and lawyers used to refer to the practice of mergers and acquisitions.

2. The career of choice for total dickheads who like to work 80 hour weeks, treat others like shit, and revel in their own self-importance, despite the fact that all they do all day is write boring-ass contracts, listen to boring-ass conference calls, and get yelled at by their higher ups.
Lawyer 1: "Wow, that new guy is really an asshole. Last night we went to Lemon Bar, and within two hours he'd done 13 shots, taken five trips to the bathroom to powder his nose, gotten turned down by 5 skanks, and got in a fight. What department is he in?"

Lawyer 2: "What do you think? M&A, of course!"
by JLB3 April 29, 2005
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masturbating and assfucking. Refers to how a guy satisfies himself in prison.
An interview with Hannibal Lector. Interviewer: must be hard being in prison.

Hannbial makes that annoying sucking sound with his teeth and lips.

HL: yes, well, there's m&a. And alfafa beans. (makes annoying sucking sound again)
by sukebe November 19, 2006
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Yummy circular chocolate sweets with different colors. Can be considered one of humans kind greatest inventions (with ninjas)
Could I buy 50 packets of m and m’s please
by LuluXD March 06, 2018
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M&M, a chocolate candy covered in a hard layer of an artificial color. Can come with a peanut center, or a simple chocolate center.
M&Ms are my favorite candy treat, they're great on ice cream!
by Anonymous March 31, 2003
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person #1: dude im going to an iron maiden concert!
person #2: sweet! \m/ >_< \m/
by Justin Turner September 07, 2006
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smiley symbolizing one who appreciates or is listening to rock music
\m/ (>.<) \m/ That song rocks!
by Richard Spitler September 23, 2007
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Michaila&marshawn...the first letter of each name...Michaila and marshawn went out, then broke up...Michaila still likes marshawn, but doesn't know if he still likes her
Person 1) do u remember when m&m was a thing
Person 2) yes, m&m 4 life
by Mckaykay2239 February 23, 2017
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