Stummy Share definition Flag The combination of "Stomach and "Tummy" to make one conjunction "Stummy" Hannah's Stummy Hurts. Stummy by some guy November 18, 2002 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug