Definitions

1. interjection

an expression of delight or satisfaction, often in response to eating something enjoyable

“She let out a happy mmmm as she took her first bite of the cake.”

2. noun

a prolonged humming sound, often indicating pleasure or contentment

“The soothing mmmm of the ocean waves was calming to the mind.”

3. verb

to make a humming or murmuring sound, often in response to eating something enjoyable

“She was mmmm-ing over the flavors of the new recipe.”