m-m
More a sound than a word.

The oposite of "mhm".
It's negative, like "no", "hell no" or whatever similar.
d1: wanna catch a movie?
d2: m-m
d1: wanna get some food then?
d2: mhm
by Elliken April 20, 2010

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Top Definition
mm
"Yes", "I agree" or "I hear you". It mimics the humming sound you make when you nod your head in agreement.
* Hey dude, can I ask you a question?
- mm
* Ok, here goes...
by Krytharn November 19, 2006

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mm
Mutual masturbation
For more than one individual to masturbate whilst in the company of another/others doing the same. MM is an abbreviation of the words mutual masturbation.
by Diddley August 14, 2013

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MM
My Mummy

In terms of a lover, future Mother of your children. Often used to subtly declare ones affection for ones relationship with a caring soul. Transcending the stigma of society, without prying eyes being aware of your dedication.
I am forever loyal to MM
by Mummy'sLittleDevil January 29, 2017

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M.M
Medical Marijuana
California is the only state where M.M is legal.
by MagentaKow February 02, 2009

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MULTIPLE MEN SYNDROME-when a woman/girl is juggling 2 or more men at the same time.
symptons-calling out the wrong names during sex,forgetting dates,showing up at the wrong guys house.
Hey girl,why do you look so tired?Its just because I'm suffering from M.M.S,I totally have all the symptoms!...
by Roni Coleman January 18, 2008

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MM
MM = "Married Man" as refered to by his lover on the side.
I'm getting together with my MM Wednesday when his wife is at work.
by The OW March 05, 2008

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