A sound made when the person is trying to convey an unpleasant feeling; when something is found distasteful. When you are making this sound, it almost looks as if you are tasting the nastiness. Example: I looked at her outfit, and it was mneh, mneh, mneh. She has no idea that pleather is, like, SO out.
MNEH, MNEH, MNEH
Meaning of MNEH, MNEH, MNEH in English
Slang English vocab. Английский сленговый словарь. 2012