informal a woman who attracts men very easily and has many relationships.
She had a reputation as a man-eater.
man-eater
noun
1
a woman with a strong sexual appetite. A figurative application of the term for dangerous big cats UK, 1906.
2
a homosexual man US, 1979
man-eater
1. An animal that has is or purportedly likely to eat humans. Most often applied to sharks and big cats such as lions. The great white shark is a confirmed man-eater, having already attacked two victims right near the beach.
2. A woman who has a reputation for having romantic relationships with many men. Jill dated so many men during college that her roommates began to call her a man-eater behind her back.