Madame Ellen wanted this slave to eat garbage and that is exactly what he had to do. She did not care what he did or what he felt. As long as she wanted it done, it had to done. That is how she made sure it all worked out and it had to otherwise, she was not going to let him get away with it. He ate it from the floor as she threatened to crush his nuts.
Madame Ellen had never punished her slave. So he did not even think it was possible. But he had pissed her off so much that she had no choice but to punish him. And she did it on his bare ass as she whipped him and she also cruelly spat on his food and made him eat it. She finished the punishment by trampling him and having him lick her feet.