Barnaby Joyce has been slammed over the latest twist in his grubby sex-life saga.

He’s been accused of opening his new partner Vikki Campion up to “slut-shaming” after he declared there was a “grey area” as to whether he was the biological father of the child she was pregnant with.

Neil Mitchell couldn’t believe it.

“Why on earth Barnaby raised this is beyond me,” he said.

“I think he’s lost the plot.

“What he’s done is offensive on various levels.”

Julia Baird agreed.

“He’s playing with fire,” the journalist and commentator said on 3AW Mornings.

Click PLAY below to hear their discussion