A "heartbreaker" is a person who causes someone else to feel very sad or disappointed, usually by ending a romantic relationship in a hurtful way. Full definition
After dropping a couple of heartbreakers in a row, Team Massie was able to rebound nicely in week 11 with a huge victory over Team Hampton by a final score of 83 - 74. (allsportsseries.com)
Wonder was a children's novel — a widely - read, unashamedly messagey heartbreaker by RJ Palacio — and to approach it as grown - up cinema wouldn't help anyone. (telegraph.co.uk)
Who wouldn't love a little Heartbreakers on a cool summer evening? (digitaltrends.com)