English
Etymology
rate, 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
en-noun|sg=rate tart
#UK informal A person who sign up|signs up for a credit card that has a special introductory offer, such as low or zero interest for a certain period, uses the card for the duration of the offer, then cancels the card and switches to another with a similar offer, and so on.
Synonyms
card tart
credit card tart
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