Meaning: If you run up a bill or a debt, you get goods or services on the understanding that you'll pay for them later.
- run up sth How did they run up such a huge bill at the restaurant? Did they buy the place?
- run sth up She ran all these debts up while travelling in Europe, and now it'll take her years to pay them off.
When executives of large corporations are travelling on business, they often run up very large