round-heeled

adjective2

1. •
   (offensive) Sexually promiscuous; sluttish.

   • At first she had wondered what he wanted of her, when (so she had heard) plenty of round-heeled Washington girls were his at a push. — 1978
2. •
   Easily defeated; a pushover.

   • Do we really need — or want — round-heeled labor unions? Or round-heeled government regulators? Or protectionism? We have done rather well with our open and adversarial way. — 1985