Definition

A kawaii emoticon representing an adorable, innocent face—beloved by anime fans and furries, despised by everyone else. Using it unironically is basically a guaranteed way to get removed from the Discord server.

Example Usage

She responded to the homework question with just 'UwU' and the teacher looked confused.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=UwU&defid=15283368)