More on Pay off old Scores from Infoplease:

• Pay off old Scores - Pay off old Scores (To). To pay off a debt, whether of money or revenge. Source: Dictionary of ...
• The Lion, the Wolf, and the Fox - A Lion, infirm with age, lay sick in his den, and all the beasts of the forest came to inquire after his health with the exception of the Fox. The Wol
• Dictionary of Phrase and Fable: P - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "P"