Fraternal Chins Share definition Flag It when you are so over weight that you have grown two large chins the size of babies. Cody is so out of shape I feel like we need to have a baby shower for his fraternal chins. Fraternal Chins by Nissanqueef January 4, 2020 0 0 Get merch Get the Fraternal Chins mug. Buy Now — $32.95 See more merch