Wii Twit Share definition Flag The act of being on twitter whilst on the Wii Fit, but can be used for twittering while playing anything on the Wii. "I'm Wii twitting, man." "Wtf?!" "I'm on twitter whilst I'm on the Wii Fit." Wii Twit by dani6661 May 24, 2009 0 0 Get merch Get the Wii Twit mug. Buy Now — $32.95 See more merch