Related Clues:

• Porkers
• Fairy-tale trio
• Fairy tale trio
• Sty group
• Not the daintiest of eaters
• ODs, with "out"
• Muppet trio The Oinker Sisters, e.g.
• Animals on Dorothy's farm
• Gluttons
• Least frequent fliers?
• Slovens
• Squealers in a pen
• ''When ___ fly!'' (''It'll never happen'')
• Sows and boars
• Some swine