Possible Clues:

• Hind projection of cattle, good for soup
• Neat end for a meal?
• The end of the beast that's in the soup
• Is the soup it makes really swish?
• That's the last thing you'd expect to find in a meat soup
• It finishes for the beast in the soup, like as not
• Cattle appendage used to make tasty soup
• The last of the beast at the last of this, all told, by the sound of it
• Part of animal used in soups and stews
• Lower taking last part of soup