Related Clues:

• Gnaw toothlessly
• Adhesive
• Tooth support
• Word with chewing or bubble
• Extra, e.g.
• Sticky substance
• Mucilage
• Bazooka, e.g.
• Unpleasant thing to step on
• Doublemint, e.g.
• See 108-Across
• Koala's tree
• Orbit, for example
• Orbit, for one
• Clog (up)