Noun. 1. A prostitute or promiscuous woman. The often unisexual nature of contemporary slang ensures the phrase is now applied to promiscuous males. Derog.2. Derog. and offensive term for women. Derived from the Cockney rhyming slang jam tart meaning sweetheart.
TART
Meaning of TART in English
Slang English vocab. Английский сленговый словарь. 2012