Related Clues:

• Tiresome one
• Yawn-inducing speaker
• [bor-r-ring!]
• Evoke yawns
• Induce ennui
• Gasbag
• Show sleepiness
• The death of the party?
• Tiresome sort
• [That is, like, so last week]
• Wearisome one
• [Been there, done that]
• React with ennui
• Try one's patience
• Dull speaker