man-eater

/M AE1 N IY0 T ER0/
noun
  1. 1

    An animal that has a reputation for eating humans, such as the tiger or shark.

  2. 2

    A cannibal.

  3. 3

    (by extension) A seductive dangerous woman, often readily taking and discarding male romantic partners.

Synonyms

Source: https://en.wiktionary.org/wiki/man-eater