This is how you spell the sound of whimpering. One can use the actual letters as a form of comedic whimpering. The letters are said individually and in pairs, as in: M-H, M-H, M-H.

Not much is known about this spelling, however many scholars attribute the origin of the spelling to a young teenager in the 1980's who lived on Long Island. Legends say that to this day, this man continues to mhmhmh all over the place.
Person 1: Ouch!
Person 2: Are you okay?
Person 1: No, it really hurts. mhmhmh.
by Burger Turk March 20, 2014
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A way of showing disapproval. Could also be used as an alternative to "tsk tsk" or "smh".
William: I have to admit, I cheated on that test..
Jon: Mhmhmh, go to your room, now.
by 1vorysGarden June 18, 2022
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