Cats Arse Share definition Flag Facial expression adopted by scorned women. So called due to the (*) shape created by the lips resembling a cats sphincter. Dave doesn't come to the pub any more - I heard his wife gives him the 'Cats Arse'if he does. Cats Arse by Antony Butnut March 18, 2004 0 0 Get merch Get the Cats Arse mug. Buy Now — $32.95 See more merch