exclamation,used to express disgust or distaste. 3 days ago · an expression of disgust (= disapproval and dislike): Eww - these socks smell! Linguistics: sounds used as interjections. Eww, that's disgusting! This meaning is based on one submitted to the Open Dictionary by: Jen from Philippines on 08/11/2017. eww meaning, definition, what is eww: used to show that you think something is.