The smaller second gut on ample folk, located below the large main gut and the crotch. Usually the divide point between the two guts is the beltline. Prone to becoming a gunt on women. Instead of a subgut, some large people have multiple rolls or a unigut. Sometimes a subgut is forced back into the abdominal cavity by a huge main gut hanging its immense bullying mass over the beltline.
Whereas most people lose socks in the wash, John has lost at least five belt buckles between his gut and his subgut.