Chitten Share definition Flag A cat or kitten with a mental disorder, deformity, or a cat who is simply stupid. Used as an insult. "Jessica's cat Mittens is such a chitten. Just look at his missing lip. It's disgusting. Chitten by pussysl@yer666 February 6, 2019 0 0 Get merch Get the Chitten mug. Buy Now — $32.95 See more merch