Quidong Share definition Flag An individual who, by virtue, wins at all games or competitions in which he/she participates, regardless of the actual score. Even though Joe's score was lower than Fred's, Joe was declared the winner because he is a quidong. Quidong by gsever September 5, 2011 0 0 Get merch Get the Quidong mug. Buy Now — $32.95 See more merch