Fuck Twit Share definition Flag Some one who continuously sends useless or meaningless information via Twitter. (Derived from the term Fuck Wit) He's such a fuck twit. I didn't really need to get a tweet saying he was having a shit! Fuck Twit by Q E Cat February 20, 2011 0 0 Get merch Get the Fuck Twit mug. Buy Now — $32.95 See more merch