Lady's Man Meaning

(idiomatic) A womanizer.

Example: 1850, Herman Melville, White Jacket, ch. 42:
  This promenading was chiefly patronised by the marines, and particularly by Colbrook, a remarkably handsome and very gentlemanly corporal among them. He was a complete lady's man; with fine black eyes, bright red cheeks, glossy jet whiskers, and a refined organisation of the whole man.
2008, "Klimt And The Golden Art Of Vienna,", 9 Mar. (retrieved 4 Sep. 2008):
  He was the most celebrated portrait painter of his day, a notorious ladies' man, obsessed with women, pale beauties dressed in extravagant gowns . . . or nothing at all.