heart·break·er 
/ˈhɑɚtˌbreɪkɚ/ noun
plural heart·break·ers /ˈhɑɚtˌbreɪkɚ/ noun [count] : someone or something that causes you to feel very sad, disappointed, etc. : someone or something that breaks your heart
▪ a handsome actor who has a reputation as a heartbreaker [=as someone who breaks the hearts of many women] ▪ The team's most recent loss was a real heartbreaker.
▪ a handsome actor who has a reputation as a heartbreaker [=as someone who breaks the hearts of many women] ▪ The team's most recent loss was a real heartbreaker.
