Abbreviation “MHM” means “Yes.” In reality, the “MHM” abbreviation is more of a sound than an acronym. When someone uses only their “humming” mouth to say “mm-hmm” that’s what the “MHM” abbreviation is imitating.
It is considered safe and appropriate to use at work. And it is considered safe for children to use this expression.
Intention: This example shows someone using the “MHM” abbreviation to suggest that “yes” they can do something.
“I mean, if you want to go, we can! Mhm, that sounds good.”
Emotion: Approval
Intention: What we can see in this example is that “MHM” abbreviation can also get used in some lowercase letters, suggesting even more so that it is a sound of approval rather than an abbreviation.