Cash up Definition 1 of 1Pro Tip 1/3Business Routine Used to describe a regular end-of-day financial task in businesses. Can you cash up tonight? I need to leave early. Pro Tip 2/3Retail Setting Commonly used in stores and shops where daily sales occur. The cashier forgot to cash up before going home. Pro Tip 3/3Cash Handling Implies handling physical money, not credit card or digital transactions. Since we mostly deal with cash sales, we need to cash up carefully.