Related Clues:

• Do some drills?
• The mayor of Dullsville?
• Real snoozefest
• Gun barrel measure
• Speaker that makes one cry?
• Dull person; hole
• Wearingly dull one
• Snoozer
• Dull one
• Severn phenomenon that fails to generate interest?
• Droning lecturer
• Use a gimlet
• Cause of much yawning
• Yawn-inducing sort
• ... endured pain?