1)A noise made by cute female to make her male companion think of her hmming on his pleasure parts

2)A noise made by cute female when actually hmming on her male companion's pleasure parts
1)Her: Hmmmm
Him: Dammit girl you know what that makes me think of!

2)Hmmmm (she exclaims, her mouth being full and occupied at the moment)
by A.... December 20, 2004
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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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