What do you call this? mm MM mmmm. Anything else like it? MM mm mmmm.
August 7, 2015 11:55 AM Subscribe
In American English, instead of saying "I don't know", you can just kind of.. mmm out each word. 1) Does that have a specific term, or is it just generalized under nonverbal communication? 2) What other languages have similar phrase > nonverbal things that are commonly used?