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"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...
mm by Krytharn November 20, 2006
Related Words
MM • Mm Mm • mm'ing • \mm/ • MM Gang • 'mm' • (mm) • :mm: • Mm, yes • MM/DD/YYYY
A hot girl who is not only badass but she is known as the QUEEN
Lexi is such an mm.
MM by IMaHOTbadassQUEEN November 15, 2020
mm = middleman

a middleman is a person that holds funds/secures the item in a deal of 2 persons
"How much for this 3letter insta"
"$250 btc"
"That sounds sketchy, can we use a mm?"
"Yes, u pay the mm fees"
*Seller gives the item to the mm*
*Mm confirms that he has the item and secures it, tells the buyer to send the btc*
*Btc is received*
*Buyer gets the item*
Deal is done
mm by succccccccccccc October 9, 2020
you know that one meme of the guy pursing his lips and lookin all judgy? yeah. :mm:
wow i can’t believe andrew is a snake :mm:
:mm: by jacinth May 29, 2018
Mm is a legend
I wish I was mm
Mm by Amelia Sabrina June 5, 2020
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.
mm by Diddley September 8, 2013
More from Urban Dictionary

pajama casual 

Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.
pajama casual by jrod-knows March 31, 2020
Word of the Day on October 14, 2026

funflation 

The recent boom in consumer spending on entertainment and experiences with a high demand running up the cost of enjoying of those experiences.
I’m trying to go to this Taylor Swift concert but the funflation has made it so impossible for me to afford tickets.
funflation by Dfree523 November 17, 2023
Word of the Day on October 13, 2026
A US deep south term for an alligator. Usually used in the Cajun dialect.
Take the big pirogue, I saw a huge swamp dog out there earlier.
swamp dog by Crystal Ambrose May 22, 2006
Word of the Day on October 12, 2026

Throat Sweats 

The feeling and build up in your mouth/throat of saliva that sometimes accompanies nausea.
Oh man those burritos gave me the throat sweats, I hope I don’t have food poisoning.
Throat Sweats by TacoFings420 April 23, 2024
Word of the Day on October 11, 2026
Being ignored by someone when making a statement or asking a question. Also known as blanked and turfed.
Person 1: Did u watch ** last nite?
Person 2:......
Person 3: O no u got aired!
aired by Pietro February 9, 2005
Word of the Day on October 10, 2026

piddlefart

Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
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