Here's some quality smack talk from Jon Jones ... ripping Daniel Cormier as a petty jealous loser.
Of course, Cormier has been calling Jon a "bum" all over town -- and recently explained why it's the most disrespectful insult he could hurl at Jones (video below).
Well, Jon's got some fighting words of his own ... and blasted D.C. as a crybaby who's destined for another ass whooping when they step into the Octagon at UFC 200 on July 9th.
Bet Cormier's gonna have something to say about this ...
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