TICKED OFF!!!
Dave Portnoy isn't joking around about an antisemitic sign that appeared in one of his bars last night ... posting a video screaming about how upset he is -- and promising everyone involved is going to be educated.
The Barstool Sports founder took to social media Sunday to address a viral video going around of a waitress at Barstool Sansom Street in Philadelphia holding a sign which reads, in all caps, "F*** THE JEWS."
Launch Gallery Launch Gallery Dave explains the sign isn't something a staff member came up with .