An innuendo is a hint, insinuation or intimation about a person or thing, especially of a denigrating or derogatory nature. It can also be a remark ...
[Read more]
or question, typically disparaging (also called insinuation), that works obliquely by allusion. In the latter sense, the intention is often to insult or accuse someone in such a way that one´s words, taken literally, are innocent.
According to the Advanced Oxford Learner´s Dictionary, an innuendo is "an indirect remark about somebody or something, usually suggesting something bad, mean or rude", such as: "innuendos about her private life" or "The song is full of sexual innuendo".