foot the bill—v. phr., to pay for something. Foot is used here in the sense of the “foot,” or the bottom, of a bill, where the total is written.
Examples:
Jean asked us all out to dinner knowing she was going to have to foot the bill.
Kim’s father wanted to foot the bill for her wedding.
Money Idioms
Money is something people like to talk about—a lot! “How much did you spend?” “How much did it cost?” So it is not surprising that there are a lot of colorful idioms used to talk about money and that come from money.
What does it mean if a person lives high on the hog (pig)? Is this person riding a pig? Or what if someone is in the red? Is the person angry?
  
Learn these and other common English idioms for money in Idioms 1: Money—Hit the Jackpot. The first book in the Quick Targets Idioms Series, this e-book is free on 20/23 and 10/24, from Amazon worldwide. Download it free today, so you can hit the jackpot!

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