Related Clues:

• Chef's bottleful
• Alberta export
• Electric partner
• Newfoundland export
• Well output
• Bombastic talk
• Quaker State, e.g.
• Truck stop offering
• The fill in 'fill 'er up!'
• Laughing matter?
• Hoot and a half
• Gusher's gush
• Olive __
• It can follow the first word of 17-, 26-, 37-, 50- and 60-Across
• Kuwait export