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.
(..) He's going tor second! The ball's in to deep right center! Davidson. over in the corner. cuts the ball oII! Here comes the throw. Richardson's around the dirt! He slides. he's in there. He's sate! It's a double! He's in there. Martini! Look at Richardson. he's on second base. (..)1975 One Flew Over the Cuckoo's Nest