ladykiller who targets married women; handsome young man popular with married women
Wasei-eigo from 'madam killer'. Refers to a man, often young and attractive, who seduces or is especially popular among married women. Colloquial and somewhat dated.
wasei-eigo (Japanese-coined English), from madam killer
He's famous as a madam killer and is always surrounded by older married women.
That actor has a madam-killer-like charm.