The sound one produces when responding in a sarcastic and or
cynic way. Usually used as disagreeing sound or a sound made out of
skepticism and or dissaprovment.
Despite the sound having a negative
connotation. It can also be used as a sound that agrees.
"Well
she ate the last
the cookie and didnt offer anyone else one"
"Mmph, she would do that considering how big and selfish she is"
Positive:
"Like all the time she washed
the laundry, like all the time she cooks and clean."
"Mmph"