Related Clues:

• Windbag's output
• 'Been there, done that' feeling
• Not exactly stimulating
• Mundane
• Totally unexciting
• Balloon fill
• Uninspiring
• Not so exciting
• Eliciting a 'So what?'
• Boring
• Not piquant
• Ennui-inducing
• Not very interesting
• Gas
• Dull as dishwater