Feeds
She first laid into him last week after he said she "looked like a bus" and had "a huge ego".
The TV dietitian is one of the celebrities set to appear on X-Factor: Battle of the Stars – on which Walsh will return as a judge.
Now, speaking on GaydarRadio, she said his comments were "outrageous", given that she suffers from spine condition scoliosis which causes her pain every day.
She went on to say that, if assigned to Walsh, she would demand a different mentor. He is "full of gas and needs a good wash out with a super-charged enema," added McKeith.
If stuck with him, she promised to "make him get down on all fours and force feed him raw hemp seeds."
