mmhhmmm is not much of a word but more of a peculiar sound most commonly made by women of African origin.

it is mostly used as a filler for the words yeah right and many other words. However it is usually used in a sarcastic or negitive tone typically towards another individual.
person 1: "hey baby sorry i was late traffic was bad."

person 2: "mmhhmmm i bet you was hanging out with that slutt Kesha we are through"
by mr froggerz May 13, 2020
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