What Is A Fast Cash Advance Payday Loan? A fast cash advance payday loan is a short-term loan that is usually paid back in a month or less. This type of loan is a very quick loan, unlike many regular loans. The payday loan uses your own upcoming paycheck to secure the loan and promise payba... 05-17-2008 and 1 other Tags cash, cashadvance, law, lifehacks, payday