Related Clues:

• "Bo-oring"
• Blowhard's exhalation
• Contents of some balloons
• Not much to write home about
• Not particularly inspiring
• Dangerous device on a street makes one rant
• "I'm bored"
• "I'm Too Sexy" or "Summer in the City"?
• Blowhard's blabber
• Bloviator's excess
• "Borrrring"