An adult diaper (or adult nappy) is a diaper made to be worn by a person with a body larger Adult diapers are made in various forms, including those resembling traditional child diapers, underpants, and pads resembling sanitary napkins. Diapers by and for the Adult Baby Diaper Lover (ABDL) Community! Home of Cushies, Kiddo, Space, Simple, PreSchool, LittlePawz, Lavender, PeekABU and Simple Ultra diapers! Super Dry Kids™. ABUniverse Kiddo Diapers. Kiddo By.