Gamminstinct Share definition Flag The gut feeling that gammon (the pork meat) is nearby. An inexplicable knowledge of the whereabouts of a gammon steak. "Peter had exceptional gamminstinct and always arrived in time for gammon, egg and chips" Gamminstinct by Dunc Slamm June 3, 2014 0 0 Get merch Get the Gamminstinct mug. Buy Now — $32.95 See more merch