Related Clues:

• Dull and lifeless
• Shout from Scrooge
• Old-style oath
• 'Aw, quit your joshin'!'
• Word after ''boom''
• Dismissive outburst
• Snooze-producing
• ____ piffle
• Lacking punch
• Pretty boring
• 'That's ridiculous'
• When tripled, ''et cetera''
• Curmudgeon's comment
• Boring, slangily
• Eliciting a "So what?"