From Longman Dictionary of Contemporary Englishgummygum‧my /ˈɡʌmi/ adjective 1 STICKsticky or covered in glue2 DCBa gummy smile shows the gums in someone’s mouth when they have no teeth
Examples from the Corpus
gummy• a baby's gummy fingers• She gave me a great, gummy grin which almost split her face in two.• There was fire under the gummy icing that blood had formed on his forearm.• There was a gummy label attached to several sharp shards.• Sharing a club chair with Elliot, six-month-old Gabe keeps turning his irresistible gummy smiles on me.• Conifers protect their trunks from mechanical damage and insect attack with a special gummy substance, resin.• This recipe produces a cake with a moist, slightly gummy texture, which some of our tasters actually preferred. 