He seems to have written his memoirs mainly so that he can 'dish the dirt' on all his former lovers.
The police 'struck pay dirt' when a witness came forward with new information.
The band 'hit pay dirt' [=had a big success] with their first single.
(..) Victor, her fianc'. Ex-fianc'. - What happened? - Nothing. He was just blah. I mean, nice, but it was like talking to dirt. I woke up one day and I said, "Lorna..." I'm Lorna. - Dylan. - I said, "Lorna, this is not your bliss." - "Just because you're ..." (..)2011 Friends with Benefits