Related Clues:
- Champ, furthermore, not heard by many?
- What rats may do to baseboards
- Be indiscreet
- Bite like a rodent
- Throw discretion out the window, in a way
- Make like a mouse
- Not be a good confidant
- Work on an ear?
- Make a mouse hole, say
- Flap one's gums, that's slang for 'talk incessantly'
- Chew, beaver-style
- Emulate beavers
- Spill everything
- Squirrels do it
- Emulate rodents