Related Clues:

• Behind
• Compelled
• Obliged
• Living on plastic, e.g.
• With outstanding bills
• Owing
• With markers out
• Indebted
• “Much ___!”
• Behind, so to speak
• ''Thanks'' (with ''much'')
• On the hook, in a way
• Covered with red ink
• Owing money
• Was accommodating