An automobile preferred by women, usually 'toylike', most often white in color.
Classic examples- VW Rabbit convertible,
Mazda Miata, new VW Beetle.
Also
Toyota Rav4 and any hybrid such as the Prius.
The sitcom 'Yes, Dear' did an episode in which the main character bought a white Mazda Miata and become frustrated when the car was constantly labeled a 'chick car'.
Chick cars always have automatic transmissions.
The only 'chick muscle car' was the baby blue colored 'Ladybird' version of the
Trans Am.