Idiom
dish the dirt on someonedish the dirt (on someone/something)
to talk about other people without worrying about being truthful.E-mail us and dish the dirt on anyone – husbands, kids, whoever.Did you know that now astronauts can dish the dirt from space?
Related vocabulary: dish out something
Etymology: based on the phrase dish out food (= to serve food) and dirt (= negative information about a person)