Stands for "harshing my mellow." Something to be used when you are annoyed, or your normally green aura has been turned red.
John: You need to be more responsible! What is wrong with you, don't you have any sense of trustworthiness?
Jeff: Chill out, man. You're HMM.
John: What? Filthy hippie!
Jeff: :P
by No irgindwo May 13, 2012
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When you are not sure if he lie or no
Boy:Gorge loves that guy
You:hMM
by Hajji is big pro November 12, 2018
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What do you think dummy? It's the noise people make when there thinking
1. What's your best knife
2. Hmmm
2. This one
*precedes to stab the first guy (or girl or other because I'm progressive)*
by BigshotFoil9267 July 20, 2019
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An acronym which stand for 'Human Male Milk', relating to sperm.
"Hey can I drink your HMM?"

"No, that's kinda gay"
by Saphhyrus November 10, 2022
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Person 1: What kind of anime is the most autistic
Person 2: Hmm... all of them they’re faggy
by tenderbender September 10, 2018
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What one says when the only appropriate response is almost nothing at all...
So what exactly are you going to say tomorrow? Hmm...
by UCSteve July 9, 2018
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