a phrase that can be substituted for anything, positive or negative... usually when you feel like irritating someone, "the goods" can be substituted to such an extent that the entire point of the conversation is ambiguous.
Eric: "What did you do with her last night?"
Brian: "You know... i got the goods"
Eric: "You mean she gave you dome?"
Brian: "You know, the goods"
Brian: "The goods!"