Related Clues:

• Inner diameter
• Plumbing woe
• Bloviator, often
• Arouse ennui
• Sound from a tap
• Annoying night sound
• Tube's inner diameter
• Sink sound
• Coffee grind
• Was worthy of
• Tedious one
• Apothecary inventory item
• Leaky-faucet sound
• Bring to tears?
• Make holes