The big sidebar to Eminem's "Killshot' diss of Machine Gun Kelly was Shady's bars about Diddy.

But Kells, the day you put out a hit's the day Diddy admits
That he put the hit out that got Pac killed, ah

While Em made it clear in the track's outro he was joking, he did lyrically tie Puff to the death of 2Pac. 

After the track came out, Jay Electronica threated to expose Eminem over those bars -- but then quickly deleted that tweet before leaving social media altogether.

Diddy has been silent publicly over "Killshot". But he did have a private conversation with Joe Budden, which Joe recounted on his podcast.

"Puff said it's in his hands, and he said I could say it," Budden reported. "He said, 'there's nothing to say about it, it's in my hands. He wild.'"

Budden decided not to add his own thoughts on what Diddy meant because it's too big of a subject.

"That's bigger than rap. And I'm getting out of there because I'm afraid," Budden said.

How do you think Diddy's going to handle it?