twatty-arse Share definition Flag 1. noun: Idiot 2. adjective: ImbecilicNote: the word is not a reference to being sodomized! What are we listening to these twatty-arse wankers waste our time?! twatty-arse by sufrance August 8, 2009 0 0 Get merch Get the twatty-arse mug. Buy Now — $32.95 See more merch