Related Clues:

• Weighty obligation
• Nuisance of a task
• Unpleasant burden
• After-school responsibility, perhaps
• Heavy duty
• After-school responsibility
• Unpaid debt, e.g.
• Obligation (or where it might fall?)
• "Drinks are __"
• Unpleasant duty
• Where our burden is?
• Great burden
• Unfun assignment
• Child labor?
• Major burden