The photographer has acknowledged a/his 'debt' to Andy Warhol. [=the photographer has said that his work was influenced by the photographs made by Andy Warhol]
banks with millions of dollars of 'bad debt' [=banks that have loaned millions of dollars that will not be repaid]
She's finally paid off her mortgage 'debt'. [=the money that she owed the bank to pay for her house]
(..) - So. Now, how long were you undercover? Long time. - Long fucking time. - Yeah. Yeah. Well, I can't even tell you the debt... I just want you to know I'll be recommending you for the Medal of Merit. - Oh, yeah? - Yeah. That's kind of like a gold star (..)2006 The Departed