Chris Diamantopoulos, who guest starred on the final season of “The Sopranos,” said Tony Sirico — who played mobster Paul “Paulie Walnuts” Gualtieri on the hit show — accidentally “whacked” him with a real pipe during a scene.

"I got whacked by Paulie Walnuts and lived to tell about it," 'The Sticky' star jokes of his guest-star appearance on 'The Sopranos'

Actor Chris Diamantopoulos, who guest starred on HBO's The Sopranos as Jason Barone, a family friend of Tony Soprano (James Gandolfini), recalled the time a scene involving a prop rubber pipe went wrong and he "got whacked by Paulie Walnuts and lived to tell about it.