Mmmhhhm 

Something ur mom says when she doesn't believe you

Mom:did you get an F
Kya:no...
Mom:Mmmhhhm
But mom I'm telling the truth
Mom:ok...

Mmmhhhm by Lovebrooklynn February 13, 2019

mmmhhhmmm 

To seem interested even though you're really not

Alice:jake just broke up with me
Mike:mmmhhhmmm
Alice:I'm so depressed
Mike:mmmhhhmmm

mmmhhhmmm by ajxwilliamz April 16, 2016

mmmhhh 

A way of saying that someone is lying or not telling the truth

Jack:I'm really sorry I couldn't come, I wish I could

Jill:mmmhhh

mmmhhh by Tuetmoi1 June 22, 2017

MMMHHHH NIGGA NUTS 

It means what it says

That dude was like mmmhhhh nigga nuts

MMMHHHH NIGGA NUTS by Nut-Capital November 1, 2020

mmmhmhmhmmhmhmhmhmhmhmmhmhmh 

when you like something a little too much you might say "mmmhmhmhmmhmhmhmhmhmhmmhmhmh"

Person 1: do you want some stinky cheese

Person 2: mmmhmhmhmmhmhmhmhmhmhmmhmhmh

mmmhmhmhmmhmhmhmhmhmhmmhmhmh by Gtg_ November 7, 2022