From Longman Dictionary of Contemporary Englishhave/get the goods on somebodyhave/get the goods on somebodyAmerican EnglishPROVE to have or find proof that someone is guilty of a crime Face it, Bukowski, we got the goods on you! → goods
Examples from the Corpus
have/get the goods on somebody• It is get the goods on him.• The two detectives went undercover to get the goods on the Parducci family. 