Dave Portnoy's sharing a new angle of his heated exchange with an antisemite in Mississippi ... and it's the best look yet at what went down in Starkville.
The Barstool Sports founder just shared the "One Bite" pizza review when the incident went down ... and you see him talking about some za when a man approaches and yells, "F*** the Jews."
Dave tells the guy to come on camera and then the photog turns and starts filming the guy.
Cops say the heckler in the video is 20-year-old Patrick McClintock.