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]
(..) the Wayne Foundation. It's an orphanage. My mom died when I was small. It was a car accident, I don't really remember it. But... my dad got shot a couple years later over a gambling debt... and I remember that one... just fine. Not a lot o' people know what it feels like, do they? To be angry... (..)2012 The Dark Knight Rises