meat-chin Share definition Flag The extra piece of meat some people have on their chin. People with butt-chins basically have a meat-chin with a dimple. My little boy is so cute, I like to to pinch his meaty meat-chin. meat-chin by agrus001 May 5, 2009 0 0 Get merch Get the meat-chin mug. Buy Now — $32.95 See more merch