Related Clues:

• Induce ennui
• Gasbag
• The death of the party?
• Be a poor public speaker
• Tiresome sort
• Wearisome one
• Try one's patience
• Flying toy
• Buzzing sound
• Pain at a party
• Speak in a monotone
• Ho-hum character
• Crashing sort
• Hum, e.g.
• Use a drill