dish out (the) dirt

slang To dispense or discuss scandalous gossip or intimate information (about someone or something). The reality television star has been wasting no time since leaving the show to dish out dirt on his former co-stars in interviews and on talk shows. Her new book dishes out the dirt about her marriage to the rock 'n' roll legend. A: "Did Tom really quit?" B: "Yes! Get over here so I can dish out the dirt!"