Wii-ner Share definition Flag A title given to the winner of a wii game, especially to one who tends to think they are some kind of wii stud. "He's the undisputed champ of AMF Bowling Pinbusters!""Ya, what a wii-ner". Wii-ner by hipmom May 10, 2010 0 0 Get merch Get the Wii-ner mug. Buy Now — $32.95 See more merch