Related Clues:

• Cheese lover
• Snake in the grass, e.g.
• One not to be trusted
• Squeal on
• Gnawing critter
• Cat's prey
• Lab-maze runner
• Squealer - or squeaker
• Hardly a good friend
• Slum sight
• Rodent pet
• Water __
• False friend
• Rizzo the Muppet, for one
• Sewer sight