Related Clues:

• It's made in the human mouth
• Drool, essentially
• Envelope flap dampener
• Criminal avails of what mouthy type produces
• Opalescent fluid
• Mouth waterer
• At kick-off, Aston Villa's missing left back's dribble
• Common secretion by humans
• It might be on the tip of your tongue
• What's Pavlov's number two collected in assorted vials?
• Spit it out!
• Butcher avails of what mouthy type produces
• It's constantly in your mouth
• Mouthwatering stuff?
• Technical term for spit