A skimp nightgown is a type of lingerie typically worn by women. It is usually made of thin, lightweight fabric and is designed to be revealing and seductive. The term 'skimpy nightgown' can also be used to describe a short nightgown, which is usually shorter than the average nightgown and often has a low neckline. The term 'shortie' is an informal term for a skimp nightgown, with seven letters in the word.