Related Clues:

• Bombastic talk
• Truck stop offering
• The fill in 'fill 'er up!'
• Knack for comebacks
• Laughing matter?
• Hoot and a half
• Wildean quality
• Oscar Wilde, e.g.
• Flivver fuel
• Methane, for one
• Ethane or methane
• Methane, e.g.
• Pump stuff
• Electric alternative
• Nitrogen, for one