yummylicious adjective2 •(slang) extremely tasty or deliciousPeople staying at the hotel and even the visitors can have a yummylicious meal at these restaurants. — 2013 •(slang) Having tremendous sex appeal.Cutting-edge humor and a raw seductive hero make Don't Talk Back to Your Vampire a yummylicious treat. — 2010 formsmore yummylicious · most yummylicious