sex wii Share definition Flag A disgusting form of sexual gratification involving a "nun-chuck" and wii remote. this activity is frowned upon in any circles other than that of obsessive japanese MK players. "errr, thats worse than sex wii" "you dont wanna eat that biscuit do you.....SEX WII FASTER" sex wii by bp garage October 18, 2008 0 0 Get merch Get the sex wii mug. Buy Now — $32.95 See more merch