mmm [m̩ː] exclamation4 •a sound made by someone who is enjoying something, especially foodMmm, this is a tasty pie! •An expression used to show thought, reflection, or confusion.Mmm, I see what you mean. •Yes.Danny: Have you got any food? I: Mmm! As a matter of fact, got a saveloy. — 1987 •Used to represent an utterance that is muffled or spoken with a full mouth (also spelled "mmph").