Fatty Chubkins Share definition Flag a person who enjoys high fat foods and is also "chubby" or "fat" "That woman over there in the plus size section with the box of Krispy- Kremes is such a fatty chubkins!" Fatty Chubkins by chubkins April 21, 2006 0 0 Get merch Get the Fatty Chubkins mug. Buy Now — $32.95 See more merch