bunny boiler

Meanings

1. A person who acts (or may supposedly act) obsessively or even dangerously towards another person with whom they were previously, or wish to be, in a relationship.

Etymology

From a scene in the 1987 film Fatal Attraction where a scorned woman (played by Glenn Close), seeking revenge on her ex-lover (played by Michael Douglas), places his family’s beloved pet rabbit in a pot of boiling water when he is away from the house.