Dave Portnoy's media org. just announced the tragic news ... revealing the golf content creator passed away over the weekend following "a sudden medical issue."
Beef was in the Dominican Republic attending a wedding when the incident occurred, his colleague, Dan "Big Cat" Katz, announced Monday morning.
"It's pretty s****y," the internet star said. "Really, really, really sad. Really tragic."
"It's devastating. I don't know what else to say.