Related Clues:

• Move sinuously
• Popular clog clearer
• Despicable person
• Bottle in the bathroom
• Blockage remover
• Deceitful sort
• Liquid Plumr rival
• Grass inhabitant?
• Coral, for one
• Double-crosser
• Chemical snake
• Plumber's tool
• Adder, e.g.
• Herpetology subject
• Jackson Hole's river