A Cash Lady is a low end prostitute/crack whore that offers a high interest payment feature for her services.
If you are unable to pay upfront for your normal whore, a Cash Lady is your best option.
Be warned though, while offering a poor but vaguely acceptable interest rate for the first month, many Cash Ladies dramatically increase their interest rates after the first 30 days.
The most famous Cash Lady of current times is Kerry Katona who can regularly be seen on British television offering her services.
"That Cash Lady is remarkably unattractive but she does have a good payment scheme."