wii whacked Share definition Flag someone or something that accidently get broken or injured while a person or persons are playing with thier Nintendo Wii. I had to take my dog to the vet after I accidently Wii Whacked him upside the head. wii whacked by BruinKiller3469 March 20, 2009 0 0 Get merch Get the wii whacked mug. Buy Now — $32.95 See more merch