rate tart
English
editEtymology
editrate, as in "rate of interest", and tart, UK slang for prostitute, referring to the promiscuity (in the sense of indiscriminate choice) of such a person
Noun
editrate tart (plural rate tarts)
- (British, informal, somewhat derogatory) A holder of a credit card or bank account who frequently and intentionally changes providers to take advantage of an offer of a low interest rate established to attract new customers.