Definition of "cocksman"

As far as broads were concerned, I was seventeen years old before I was able to get my finger damp enough to turn a page. Once I got started, though, I became quite the little cocksman.

1984 , Robert Byrne, McGoorty: A Billiard Hustler's Life, New York: Citadel Press, page 19

There are women out there in front of the hotel that … well, let's just say Jack Kennedy himself would be envious, and he's a legendary cocksman.

2012, Stephen King, 11/22/63, New York: Scribner, pages 773–74