Related Clues:

• Low-level smuggler
• It's often hard to budge
• TV's Francis, for one
• It's half ass and sterile
• Ornery sort
• Stubborn critter
• Grand Canyon sight
• Obstinate one
• Strapless slipper
• Drug ___
• Backless shoe
• Grand Canyon beast
• Contraband carrier
• Half ass?
• Paradigm of stubbornness