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.
(..) - I'll just stay here then. - Good. And scene. Shoot. - What are you doing? - God! Rory! Announce yourself! - Were you brushing dirt under the sink? - No, I'm brushing crumbs under the sink. You're a pig. You're just learning that? Why are you here, anyway? Crabby and dirty. (..)2004 TvShow: Gilmore Girls Title: The Nanny and the Professor Season: 4 Episode 10