Top definition
"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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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
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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Golden Shower Plush

He's warmer than you think.

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3
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.
by Mummy'sLittleDevil January 29, 2017
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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4
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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Donkey Punch Plush

10" high plush doll.

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5
California is the only state where M.M is legal.
by MagentaKow February 02, 2009
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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6
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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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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7
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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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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